Home / 181,345.32-250,251.66-100,770.84

Finding the Fourth Proportional to 181,345.32, 250,251.66 and 100,770.84

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Solution

The fourth proportional to 181,345.32, 250,251.66 and 100,770.84 is: 139,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,345.32 : 250,251.66 = 100,770.84 : x
  2. Step 2: Convert to fraction form
    181,345.32/250,251.66 = 100,770.84/x
  3. Step 3: Cross multiply
    181,345.32x = 250,251.66 × 100,770.84
  4. Step 4: Simplify right side
    181,345.32x = 25,218,069,989.59
  5. Step 5: Solve for x
    x = 25,218,069,989.59/181,345.32
  6. Step 6: Final answer
    x = 139,061.05

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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.