Home / 432,026.04-648,039.06-136,515

Finding the Fourth Proportional to 432,026.04, 648,039.06 and 136,515

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Solution

The fourth proportional to 432,026.04, 648,039.06 and 136,515 is: 204,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,026.04 : 648,039.06 = 136,515 : x
  2. Step 2: Convert to fraction form
    432,026.04/648,039.06 = 136,515/x
  3. Step 3: Cross multiply
    432,026.04x = 648,039.06 × 136,515
  4. Step 4: Simplify right side
    432,026.04x = 88,467,052,275.90
  5. Step 5: Solve for x
    x = 88,467,052,275.90/432,026.04
  6. Step 6: Final answer
    x = 204,772.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.