Home / 218,565.66-301,612.50-121,767.24

Finding the Fourth Proportional to 218,565.66, 301,612.50 and 121,767.24

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Solution

The fourth proportional to 218,565.66, 301,612.50 and 121,767.24 is: 168,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,565.66 : 301,612.50 = 121,767.24 : x
  2. Step 2: Convert to fraction form
    218,565.66/301,612.50 = 121,767.24/x
  3. Step 3: Cross multiply
    218,565.66x = 301,612.50 × 121,767.24
  4. Step 4: Simplify right side
    218,565.66x = 36,726,521,674.50
  5. Step 5: Solve for x
    x = 36,726,521,674.50/218,565.66
  6. Step 6: Final answer
    x = 168,034.27

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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.