Home / 125,423.55-188,164.05-54,358.12

Finding the Fourth Proportional to 125,423.55, 188,164.05 and 54,358.12

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Solution

The fourth proportional to 125,423.55, 188,164.05 and 54,358.12 is: 81,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,423.55 : 188,164.05 = 54,358.12 : x
  2. Step 2: Convert to fraction form
    125,423.55/188,164.05 = 54,358.12/x
  3. Step 3: Cross multiply
    125,423.55x = 188,164.05 × 54,358.12
  4. Step 4: Simplify right side
    125,423.55x = 10,228,244,040.95
  5. Step 5: Solve for x
    x = 10,228,244,040.95/125,423.55
  6. Step 6: Final answer
    x = 81,549.63

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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.