Home / 94,044.68-140,902.98-78,350.52

Finding the Fourth Proportional to 94,044.68, 140,902.98 and 78,350.52

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Solution

The fourth proportional to 94,044.68, 140,902.98 and 78,350.52 is: 117,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,044.68 : 140,902.98 = 78,350.52 : x
  2. Step 2: Convert to fraction form
    94,044.68/140,902.98 = 78,350.52/x
  3. Step 3: Cross multiply
    94,044.68x = 140,902.98 × 78,350.52
  4. Step 4: Simplify right side
    94,044.68x = 11,039,821,752.55
  5. Step 5: Solve for x
    x = 11,039,821,752.55/94,044.68
  6. Step 6: Final answer
    x = 117,389.11

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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.