Home / 91,442.53-126,184.75-51,149.40

Finding the Fourth Proportional to 91,442.53, 126,184.75 and 51,149.40

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Solution

The fourth proportional to 91,442.53, 126,184.75 and 51,149.40 is: 70,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,442.53 : 126,184.75 = 51,149.40 : x
  2. Step 2: Convert to fraction form
    91,442.53/126,184.75 = 51,149.40/x
  3. Step 3: Cross multiply
    91,442.53x = 126,184.75 × 51,149.40
  4. Step 4: Simplify right side
    91,442.53x = 6,454,274,251.65
  5. Step 5: Solve for x
    x = 6,454,274,251.65/91,442.53
  6. Step 6: Final answer
    x = 70,582.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.