Home / 151,810.50-209,516.97-88,148.30

Finding the Fourth Proportional to 151,810.50, 209,516.97 and 88,148.30

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Solution

The fourth proportional to 151,810.50, 209,516.97 and 88,148.30 is: 121,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,810.50 : 209,516.97 = 88,148.30 : x
  2. Step 2: Convert to fraction form
    151,810.50/209,516.97 = 88,148.30/x
  3. Step 3: Cross multiply
    151,810.50x = 209,516.97 × 88,148.30
  4. Step 4: Simplify right side
    151,810.50x = 18,468,564,726.65
  5. Step 5: Solve for x
    x = 18,468,564,726.65/151,810.50
  6. Step 6: Final answer
    x = 121,655.38

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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.