Home / 91,442.12-126,184.23-51,148.94

Finding the Fourth Proportional to 91,442.12, 126,184.23 and 51,148.94

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Solution

The fourth proportional to 91,442.12, 126,184.23 and 51,148.94 is: 70,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,442.12 : 126,184.23 = 51,148.94 : x
  2. Step 2: Convert to fraction form
    91,442.12/126,184.23 = 51,148.94/x
  3. Step 3: Cross multiply
    91,442.12x = 126,184.23 × 51,148.94
  4. Step 4: Simplify right side
    91,442.12x = 6,454,188,978.30
  5. Step 5: Solve for x
    x = 6,454,188,978.30/91,442.12
  6. Step 6: Final answer
    x = 70,582.24

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1.5x scale

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.