Home / 90,948.20-136,389.04-34,760.53

Finding the Fourth Proportional to 90,948.20, 136,389.04 and 34,760.53

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Solution

The fourth proportional to 90,948.20, 136,389.04 and 34,760.53 is: 52,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,948.20 : 136,389.04 = 34,760.53 : x
  2. Step 2: Convert to fraction form
    90,948.20/136,389.04 = 34,760.53/x
  3. Step 3: Cross multiply
    90,948.20x = 136,389.04 × 34,760.53
  4. Step 4: Simplify right side
    90,948.20x = 4,740,954,730.75
  5. Step 5: Solve for x
    x = 4,740,954,730.75/90,948.20
  6. Step 6: Final answer
    x = 52,128.08

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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.