Home / 91,442.28-126,184.41-51,149.15

Finding the Fourth Proportional to 91,442.28, 126,184.41 and 51,149.15

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Solution

The fourth proportional to 91,442.28, 126,184.41 and 51,149.15 is: 70,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,442.28 : 126,184.41 = 51,149.15 : x
  2. Step 2: Convert to fraction form
    91,442.28/126,184.41 = 51,149.15/x
  3. Step 3: Cross multiply
    91,442.28x = 126,184.41 × 51,149.15
  4. Step 4: Simplify right side
    91,442.28x = 6,454,224,683.83
  5. Step 5: Solve for x
    x = 6,454,224,683.83/91,442.28
  6. Step 6: Final answer
    x = 70,582.50

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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.