Home / 121,545.60-182,317.20-38,439.60

Finding the Fourth Proportional to 121,545.60, 182,317.20 and 38,439.60

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Solution

The fourth proportional to 121,545.60, 182,317.20 and 38,439.60 is: 57,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,545.60 : 182,317.20 = 38,439.60 : x
  2. Step 2: Convert to fraction form
    121,545.60/182,317.20 = 38,439.60/x
  3. Step 3: Cross multiply
    121,545.60x = 182,317.20 × 38,439.60
  4. Step 4: Simplify right side
    121,545.60x = 7,008,200,241.12
  5. Step 5: Solve for x
    x = 7,008,200,241.12/121,545.60
  6. Step 6: Final answer
    x = 57,659.02

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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.