Home / 121,872.39-182,808.23-42,967.59

Finding the Fourth Proportional to 121,872.39, 182,808.23 and 42,967.59

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Solution

The fourth proportional to 121,872.39, 182,808.23 and 42,967.59 is: 64,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,872.39 : 182,808.23 = 42,967.59 : x
  2. Step 2: Convert to fraction form
    121,872.39/182,808.23 = 42,967.59/x
  3. Step 3: Cross multiply
    121,872.39x = 182,808.23 × 42,967.59
  4. Step 4: Simplify right side
    121,872.39x = 7,854,828,860.43
  5. Step 5: Solve for x
    x = 7,854,828,860.43/121,872.39
  6. Step 6: Final answer
    x = 64,451.26

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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.