Home / 121,938.49-182,966.04-43,089.85

Finding the Fourth Proportional to 121,938.49, 182,966.04 and 43,089.85

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Solution

The fourth proportional to 121,938.49, 182,966.04 and 43,089.85 is: 64,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,938.49 : 182,966.04 = 43,089.85 : x
  2. Step 2: Convert to fraction form
    121,938.49/182,966.04 = 43,089.85/x
  3. Step 3: Cross multiply
    121,938.49x = 182,966.04 × 43,089.85
  4. Step 4: Simplify right side
    121,938.49x = 7,883,979,218.69
  5. Step 5: Solve for x
    x = 7,883,979,218.69/121,938.49
  6. Step 6: Final answer
    x = 64,655.38

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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.