Home / 121,507.17-182,304.51-42,633.69

Finding the Fourth Proportional to 121,507.17, 182,304.51 and 42,633.69

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Solution

The fourth proportional to 121,507.17, 182,304.51 and 42,633.69 is: 63,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,507.17 : 182,304.51 = 42,633.69 : x
  2. Step 2: Convert to fraction form
    121,507.17/182,304.51 = 42,633.69/x
  3. Step 3: Cross multiply
    121,507.17x = 182,304.51 × 42,633.69
  4. Step 4: Simplify right side
    121,507.17x = 7,772,313,964.94
  5. Step 5: Solve for x
    x = 7,772,313,964.94/121,507.17
  6. Step 6: Final answer
    x = 63,965.89

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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.