Home / 157,084.31-216,759.95-89,079.55

Finding the Fourth Proportional to 157,084.31, 216,759.95 and 89,079.55

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Solution

The fourth proportional to 157,084.31, 216,759.95 and 89,079.55 is: 122,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,084.31 : 216,759.95 = 89,079.55 : x
  2. Step 2: Convert to fraction form
    157,084.31/216,759.95 = 89,079.55/x
  3. Step 3: Cross multiply
    157,084.31x = 216,759.95 × 89,079.55
  4. Step 4: Simplify right side
    157,084.31x = 19,308,878,150.77
  5. Step 5: Solve for x
    x = 19,308,878,150.77/157,084.31
  6. Step 6: Final answer
    x = 122,920.47

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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.