Home / 121,523.60-182,285.40-120,785.49

Finding the Fourth Proportional to 121,523.60, 182,285.40 and 120,785.49

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Solution

The fourth proportional to 121,523.60, 182,285.40 and 120,785.49 is: 181,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,523.60 : 182,285.40 = 120,785.49 : x
  2. Step 2: Convert to fraction form
    121,523.60/182,285.40 = 120,785.49/x
  3. Step 3: Cross multiply
    121,523.60x = 182,285.40 × 120,785.49
  4. Step 4: Simplify right side
    121,523.60x = 22,017,431,358.85
  5. Step 5: Solve for x
    x = 22,017,431,358.85/121,523.60
  6. Step 6: Final answer
    x = 181,178.24

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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.