Home / 136,470.17-204,742.31-77,347.35

Finding the Fourth Proportional to 136,470.17, 204,742.31 and 77,347.35

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Solution

The fourth proportional to 136,470.17, 204,742.31 and 77,347.35 is: 116,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,470.17 : 204,742.31 = 77,347.35 : x
  2. Step 2: Convert to fraction form
    136,470.17/204,742.31 = 77,347.35/x
  3. Step 3: Cross multiply
    136,470.17x = 204,742.31 × 77,347.35
  4. Step 4: Simplify right side
    136,470.17x = 15,836,274,724.64
  5. Step 5: Solve for x
    x = 15,836,274,724.64/136,470.17
  6. Step 6: Final answer
    x = 116,042.03

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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.