Home / 150,501.16-207,695.56-85,084.78

Finding the Fourth Proportional to 150,501.16, 207,695.56 and 85,084.78

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Solution

The fourth proportional to 150,501.16, 207,695.56 and 85,084.78 is: 117,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,501.16 : 207,695.56 = 85,084.78 : x
  2. Step 2: Convert to fraction form
    150,501.16/207,695.56 = 85,084.78/x
  3. Step 3: Cross multiply
    150,501.16x = 207,695.56 × 85,084.78
  4. Step 4: Simplify right side
    150,501.16x = 17,671,729,778.39
  5. Step 5: Solve for x
    x = 17,671,729,778.39/150,501.16
  6. Step 6: Final answer
    x = 117,419.23

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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.