Home / 151,070.16-208,472.66-83,087.15

Finding the Fourth Proportional to 151,070.16, 208,472.66 and 83,087.15

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Solution

The fourth proportional to 151,070.16, 208,472.66 and 83,087.15 is: 114,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,070.16 : 208,472.66 = 83,087.15 : x
  2. Step 2: Convert to fraction form
    151,070.16/208,472.66 = 83,087.15/x
  3. Step 3: Cross multiply
    151,070.16x = 208,472.66 × 83,087.15
  4. Step 4: Simplify right side
    151,070.16x = 17,321,397,714.52
  5. Step 5: Solve for x
    x = 17,321,397,714.52/151,070.16
  6. Step 6: Final answer
    x = 114,657.97

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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.