Home / 156,149.66-234,226.40-54,950.72

Finding the Fourth Proportional to 156,149.66, 234,226.40 and 54,950.72

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Solution

The fourth proportional to 156,149.66, 234,226.40 and 54,950.72 is: 82,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,149.66 : 234,226.40 = 54,950.72 : x
  2. Step 2: Convert to fraction form
    156,149.66/234,226.40 = 54,950.72/x
  3. Step 3: Cross multiply
    156,149.66x = 234,226.40 × 54,950.72
  4. Step 4: Simplify right side
    156,149.66x = 12,870,909,503.74
  5. Step 5: Solve for x
    x = 12,870,909,503.74/156,149.66
  6. Step 6: Final answer
    x = 82,426.75

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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.