Home / 149,122.38-223,521.84-74,298.36

Finding the Fourth Proportional to 149,122.38, 223,521.84 and 74,298.36

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Solution

The fourth proportional to 149,122.38, 223,521.84 and 74,298.36 is: 111,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,122.38 : 223,521.84 = 74,298.36 : x
  2. Step 2: Convert to fraction form
    149,122.38/223,521.84 = 74,298.36/x
  3. Step 3: Cross multiply
    149,122.38x = 223,521.84 × 74,298.36
  4. Step 4: Simplify right side
    149,122.38x = 16,607,306,136.18
  5. Step 5: Solve for x
    x = 16,607,306,136.18/149,122.38
  6. Step 6: Final answer
    x = 111,366.96

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1.5x scale

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.