Home / 131,612.12-181,624.19-71,182.83

Finding the Fourth Proportional to 131,612.12, 181,624.19 and 71,182.83

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Solution

The fourth proportional to 131,612.12, 181,624.19 and 71,182.83 is: 98,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,612.12 : 181,624.19 = 71,182.83 : x
  2. Step 2: Convert to fraction form
    131,612.12/181,624.19 = 71,182.83/x
  3. Step 3: Cross multiply
    131,612.12x = 181,624.19 × 71,182.83
  4. Step 4: Simplify right side
    131,612.12x = 12,928,523,484.74
  5. Step 5: Solve for x
    x = 12,928,523,484.74/131,612.12
  6. Step 6: Final answer
    x = 98,232.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.