Home / 159,733.89-220,445.15-88,120.17

Finding the Fourth Proportional to 159,733.89, 220,445.15 and 88,120.17

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Solution

The fourth proportional to 159,733.89, 220,445.15 and 88,120.17 is: 121,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,733.89 : 220,445.15 = 88,120.17 : x
  2. Step 2: Convert to fraction form
    159,733.89/220,445.15 = 88,120.17/x
  3. Step 3: Cross multiply
    159,733.89x = 220,445.15 × 88,120.17
  4. Step 4: Simplify right side
    159,733.89x = 19,425,663,653.07
  5. Step 5: Solve for x
    x = 19,425,663,653.07/159,733.89
  6. Step 6: Final answer
    x = 121,612.66

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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.