Home / 97,261.52-134,219.04-54,819.20

Finding the Fourth Proportional to 97,261.52, 134,219.04 and 54,819.20

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Solution

The fourth proportional to 97,261.52, 134,219.04 and 54,819.20 is: 75,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,261.52 : 134,219.04 = 54,819.20 : x
  2. Step 2: Convert to fraction form
    97,261.52/134,219.04 = 54,819.20/x
  3. Step 3: Cross multiply
    97,261.52x = 134,219.04 × 54,819.20
  4. Step 4: Simplify right side
    97,261.52x = 7,357,780,397.57
  5. Step 5: Solve for x
    x = 7,357,780,397.57/97,261.52
  6. Step 6: Final answer
    x = 75,649.45

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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.