Home / 165,042.14-247,656.84-89,139.74

Finding the Fourth Proportional to 165,042.14, 247,656.84 and 89,139.74

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Solution

The fourth proportional to 165,042.14, 247,656.84 and 89,139.74 is: 133,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,042.14 : 247,656.84 = 89,139.74 : x
  2. Step 2: Convert to fraction form
    165,042.14/247,656.84 = 89,139.74/x
  3. Step 3: Cross multiply
    165,042.14x = 247,656.84 × 89,139.74
  4. Step 4: Simplify right side
    165,042.14x = 22,076,066,326.82
  5. Step 5: Solve for x
    x = 22,076,066,326.82/165,042.14
  6. Step 6: Final answer
    x = 133,760.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.