Home / 151,767.77-209,407.01-88,071.39

Finding the Fourth Proportional to 151,767.77, 209,407.01 and 88,071.39

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Solution

The fourth proportional to 151,767.77, 209,407.01 and 88,071.39 is: 121,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,767.77 : 209,407.01 = 88,071.39 : x
  2. Step 2: Convert to fraction form
    151,767.77/209,407.01 = 88,071.39/x
  3. Step 3: Cross multiply
    151,767.77x = 209,407.01 × 88,071.39
  4. Step 4: Simplify right side
    151,767.77x = 18,442,766,006.09
  5. Step 5: Solve for x
    x = 18,442,766,006.09/151,767.77
  6. Step 6: Final answer
    x = 121,519.65

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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.