Home / 147,612.51-221,375.43-67,605.30

Finding the Fourth Proportional to 147,612.51, 221,375.43 and 67,605.30

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Solution

The fourth proportional to 147,612.51, 221,375.43 and 67,605.30 is: 101,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,612.51 : 221,375.43 = 67,605.30 : x
  2. Step 2: Convert to fraction form
    147,612.51/221,375.43 = 67,605.30/x
  3. Step 3: Cross multiply
    147,612.51x = 221,375.43 × 67,605.30
  4. Step 4: Simplify right side
    147,612.51x = 14,966,152,357.78
  5. Step 5: Solve for x
    x = 14,966,152,357.78/147,612.51
  6. Step 6: Final answer
    x = 101,388.10

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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.