Home / 141,343.17-212,060.77-66,470.76

Finding the Fourth Proportional to 141,343.17, 212,060.77 and 66,470.76

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Solution

The fourth proportional to 141,343.17, 212,060.77 and 66,470.76 is: 99,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,343.17 : 212,060.77 = 66,470.76 : x
  2. Step 2: Convert to fraction form
    141,343.17/212,060.77 = 66,470.76/x
  3. Step 3: Cross multiply
    141,343.17x = 212,060.77 × 66,470.76
  4. Step 4: Simplify right side
    141,343.17x = 14,095,840,548.09
  5. Step 5: Solve for x
    x = 14,095,840,548.09/141,343.17
  6. Step 6: Final answer
    x = 99,727.78

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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.