Home / 151,810.13-209,516.45-88,147.93

Finding the Fourth Proportional to 151,810.13, 209,516.45 and 88,147.93

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Solution

The fourth proportional to 151,810.13, 209,516.45 and 88,147.93 is: 121,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,810.13 : 209,516.45 = 88,147.93 : x
  2. Step 2: Convert to fraction form
    151,810.13/209,516.45 = 88,147.93/x
  3. Step 3: Cross multiply
    151,810.13x = 209,516.45 × 88,147.93
  4. Step 4: Simplify right side
    151,810.13x = 18,468,440,844.66
  5. Step 5: Solve for x
    x = 18,468,440,844.66/151,810.13
  6. Step 6: Final answer
    x = 121,654.87

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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.