Home / 179,575.85-247,814.60-103,099.88

Finding the Fourth Proportional to 179,575.85, 247,814.60 and 103,099.88

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Solution

The fourth proportional to 179,575.85, 247,814.60 and 103,099.88 is: 142,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,575.85 : 247,814.60 = 103,099.88 : x
  2. Step 2: Convert to fraction form
    179,575.85/247,814.60 = 103,099.88/x
  3. Step 3: Cross multiply
    179,575.85x = 247,814.60 × 103,099.88
  4. Step 4: Simplify right side
    179,575.85x = 25,549,655,006.75
  5. Step 5: Solve for x
    x = 25,549,655,006.75/179,575.85
  6. Step 6: Final answer
    x = 142,277.79

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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.