Home / 125,025.20-187,537.80-50,156.90

Finding the Fourth Proportional to 125,025.20, 187,537.80 and 50,156.90

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Solution

The fourth proportional to 125,025.20, 187,537.80 and 50,156.90 is: 75,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,025.20 : 187,537.80 = 50,156.90 : x
  2. Step 2: Convert to fraction form
    125,025.20/187,537.80 = 50,156.90/x
  3. Step 3: Cross multiply
    125,025.20x = 187,537.80 × 50,156.90
  4. Step 4: Simplify right side
    125,025.20x = 9,406,314,680.82
  5. Step 5: Solve for x
    x = 9,406,314,680.82/125,025.20
  6. Step 6: Final answer
    x = 75,235.35

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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.