Home / 90,793.14-136,189.74-28,468.50

Finding the Fourth Proportional to 90,793.14, 136,189.74 and 28,468.50

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Solution

The fourth proportional to 90,793.14, 136,189.74 and 28,468.50 is: 42,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,793.14 : 136,189.74 = 28,468.50 : x
  2. Step 2: Convert to fraction form
    90,793.14/136,189.74 = 28,468.50/x
  3. Step 3: Cross multiply
    90,793.14x = 136,189.74 × 28,468.50
  4. Step 4: Simplify right side
    90,793.14x = 3,877,117,613.19
  5. Step 5: Solve for x
    x = 3,877,117,613.19/90,793.14
  6. Step 6: Final answer
    x = 42,702.76

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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.