Home / 151,332.54-208,832.10-86,755.47

Finding the Fourth Proportional to 151,332.54, 208,832.10 and 86,755.47

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Solution

The fourth proportional to 151,332.54, 208,832.10 and 86,755.47 is: 119,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,332.54 : 208,832.10 = 86,755.47 : x
  2. Step 2: Convert to fraction form
    151,332.54/208,832.10 = 86,755.47/x
  3. Step 3: Cross multiply
    151,332.54x = 208,832.10 × 86,755.47
  4. Step 4: Simplify right side
    151,332.54x = 18,117,326,986.59
  5. Step 5: Solve for x
    x = 18,117,326,986.59/151,332.54
  6. Step 6: Final answer
    x = 119,718.65

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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.