Home / 90,981.00-136,452.67-24,405.30

Finding the Fourth Proportional to 90,981.00, 136,452.67 and 24,405.30

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Solution

The fourth proportional to 90,981.00, 136,452.67 and 24,405.30 is: 36,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,981.00 : 136,452.67 = 24,405.30 : x
  2. Step 2: Convert to fraction form
    90,981.00/136,452.67 = 24,405.30/x
  3. Step 3: Cross multiply
    90,981.00x = 136,452.67 × 24,405.30
  4. Step 4: Simplify right side
    90,981.00x = 3,330,167,542.86
  5. Step 5: Solve for x
    x = 3,330,167,542.86/90,981.00
  6. Step 6: Final answer
    x = 36,602.89

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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.