Home / 150,501.28-207,695.73-85,084.90

Finding the Fourth Proportional to 150,501.28, 207,695.73 and 85,084.90

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Solution

The fourth proportional to 150,501.28, 207,695.73 and 85,084.90 is: 117,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,501.28 : 207,695.73 = 85,084.90 : x
  2. Step 2: Convert to fraction form
    150,501.28/207,695.73 = 85,084.90/x
  3. Step 3: Cross multiply
    150,501.28x = 207,695.73 × 85,084.90
  4. Step 4: Simplify right side
    150,501.28x = 17,671,770,417.48
  5. Step 5: Solve for x
    x = 17,671,770,417.48/150,501.28
  6. Step 6: Final answer
    x = 117,419.40

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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.