Home / 218,179.24-301,089.15-122,685.10

Finding the Fourth Proportional to 218,179.24, 301,089.15 and 122,685.10

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Solution

The fourth proportional to 218,179.24, 301,089.15 and 122,685.10 is: 169,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,179.24 : 301,089.15 = 122,685.10 : x
  2. Step 2: Convert to fraction form
    218,179.24/301,089.15 = 122,685.10/x
  3. Step 3: Cross multiply
    218,179.24x = 301,089.15 × 122,685.10
  4. Step 4: Simplify right side
    218,179.24x = 36,939,152,476.67
  5. Step 5: Solve for x
    x = 36,939,152,476.67/218,179.24
  6. Step 6: Final answer
    x = 169,306.45

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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.