Home / 121,449.80-182,174.70-42,564.02

Finding the Fourth Proportional to 121,449.80, 182,174.70 and 42,564.02

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Solution

The fourth proportional to 121,449.80, 182,174.70 and 42,564.02 is: 63,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,449.80 : 182,174.70 = 42,564.02 : x
  2. Step 2: Convert to fraction form
    121,449.80/182,174.70 = 42,564.02/x
  3. Step 3: Cross multiply
    121,449.80x = 182,174.70 × 42,564.02
  4. Step 4: Simplify right side
    121,449.80x = 7,754,086,663.42
  5. Step 5: Solve for x
    x = 7,754,086,663.42/121,449.80
  6. Step 6: Final answer
    x = 63,846.03

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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.