Home / 100,244.30-138,337.03-54,925.10

Finding the Fourth Proportional to 100,244.30, 138,337.03 and 54,925.10

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Solution

The fourth proportional to 100,244.30, 138,337.03 and 54,925.10 is: 75,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,244.30 : 138,337.03 = 54,925.10 : x
  2. Step 2: Convert to fraction form
    100,244.30/138,337.03 = 54,925.10/x
  3. Step 3: Cross multiply
    100,244.30x = 138,337.03 × 54,925.10
  4. Step 4: Simplify right side
    100,244.30x = 7,598,175,102.19
  5. Step 5: Solve for x
    x = 7,598,175,102.19/100,244.30
  6. Step 6: Final answer
    x = 75,796.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.