Home / 121,380.38-182,069.60-37,140.20

Finding the Fourth Proportional to 121,380.38, 182,069.60 and 37,140.20

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Solution

The fourth proportional to 121,380.38, 182,069.60 and 37,140.20 is: 55,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,380.38 : 182,069.60 = 37,140.20 : x
  2. Step 2: Convert to fraction form
    121,380.38/182,069.60 = 37,140.20/x
  3. Step 3: Cross multiply
    121,380.38x = 182,069.60 × 37,140.20
  4. Step 4: Simplify right side
    121,380.38x = 6,762,101,357.92
  5. Step 5: Solve for x
    x = 6,762,101,357.92/121,380.38
  6. Step 6: Final answer
    x = 55,710.00

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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.