Home / 125,025.80-187,558.16-40,766.40

Finding the Fourth Proportional to 125,025.80, 187,558.16 and 40,766.40

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Solution

The fourth proportional to 125,025.80, 187,558.16 and 40,766.40 is: 61,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,025.80 : 187,558.16 = 40,766.40 : x
  2. Step 2: Convert to fraction form
    125,025.80/187,558.16 = 40,766.40/x
  3. Step 3: Cross multiply
    125,025.80x = 187,558.16 × 40,766.40
  4. Step 4: Simplify right side
    125,025.80x = 7,646,070,769.99
  5. Step 5: Solve for x
    x = 7,646,070,769.99/125,025.80
  6. Step 6: Final answer
    x = 61,155.95

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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.