Home / 150,363.21-207,501.15-82,384.50

Finding the Fourth Proportional to 150,363.21, 207,501.15 and 82,384.50

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Solution

The fourth proportional to 150,363.21, 207,501.15 and 82,384.50 is: 113,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,363.21 : 207,501.15 = 82,384.50 : x
  2. Step 2: Convert to fraction form
    150,363.21/207,501.15 = 82,384.50/x
  3. Step 3: Cross multiply
    150,363.21x = 207,501.15 × 82,384.50
  4. Step 4: Simplify right side
    150,363.21x = 17,094,878,492.18
  5. Step 5: Solve for x
    x = 17,094,878,492.18/150,363.21
  6. Step 6: Final answer
    x = 113,690.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.