Home / 124,035.20-185,847.60-71,352.80

Finding the Fourth Proportional to 124,035.20, 185,847.60 and 71,352.80

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Solution

The fourth proportional to 124,035.20, 185,847.60 and 71,352.80 is: 106,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,035.20 : 185,847.60 = 71,352.80 : x
  2. Step 2: Convert to fraction form
    124,035.20/185,847.60 = 71,352.80/x
  3. Step 3: Cross multiply
    124,035.20x = 185,847.60 × 71,352.80
  4. Step 4: Simplify right side
    124,035.20x = 13,260,746,633.28
  5. Step 5: Solve for x
    x = 13,260,746,633.28/124,035.20
  6. Step 6: Final answer
    x = 106,911.16

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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.