Home / 125,024.32-187,542.52-40,784.32

Finding the Fourth Proportional to 125,024.32, 187,542.52 and 40,784.32

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Solution

The fourth proportional to 125,024.32, 187,542.52 and 40,784.32 is: 61,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,024.32 : 187,542.52 = 40,784.32 : x
  2. Step 2: Convert to fraction form
    125,024.32/187,542.52 = 40,784.32/x
  3. Step 3: Cross multiply
    125,024.32x = 187,542.52 × 40,784.32
  4. Step 4: Simplify right side
    125,024.32x = 7,648,794,149.29
  5. Step 5: Solve for x
    x = 7,648,794,149.29/125,024.32
  6. Step 6: Final answer
    x = 61,178.45

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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.