Home / 129,041.55-193,533.30-54,246.15

Finding the Fourth Proportional to 129,041.55, 193,533.30 and 54,246.15

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Solution

The fourth proportional to 129,041.55, 193,533.30 and 54,246.15 is: 81,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,041.55 : 193,533.30 = 54,246.15 : x
  2. Step 2: Convert to fraction form
    129,041.55/193,533.30 = 54,246.15/x
  3. Step 3: Cross multiply
    129,041.55x = 193,533.30 × 54,246.15
  4. Step 4: Simplify right side
    129,041.55x = 10,498,436,421.80
  5. Step 5: Solve for x
    x = 10,498,436,421.80/129,041.55
  6. Step 6: Final answer
    x = 81,357.02

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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.