Home / 141,470.50-212,219.61-51,537.66

Finding the Fourth Proportional to 141,470.50, 212,219.61 and 51,537.66

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Solution

The fourth proportional to 141,470.50, 212,219.61 and 51,537.66 is: 77,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,470.50 : 212,219.61 = 51,537.66 : x
  2. Step 2: Convert to fraction form
    141,470.50/212,219.61 = 51,537.66/x
  3. Step 3: Cross multiply
    141,470.50x = 212,219.61 × 51,537.66
  4. Step 4: Simplify right side
    141,470.50x = 10,937,301,044.41
  5. Step 5: Solve for x
    x = 10,937,301,044.41/141,470.50
  6. Step 6: Final answer
    x = 77,311.53

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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.