Home / 121,713.39-182,551.61-42,809.18

Finding the Fourth Proportional to 121,713.39, 182,551.61 and 42,809.18

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Solution

The fourth proportional to 121,713.39, 182,551.61 and 42,809.18 is: 64,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,713.39 : 182,551.61 = 42,809.18 : x
  2. Step 2: Convert to fraction form
    121,713.39/182,551.61 = 42,809.18/x
  3. Step 3: Cross multiply
    121,713.39x = 182,551.61 × 42,809.18
  4. Step 4: Simplify right side
    121,713.39x = 7,814,883,926.04
  5. Step 5: Solve for x
    x = 7,814,883,926.04/121,713.39
  6. Step 6: Final answer
    x = 64,207.27

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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.