Home / 121,985.77-182,933.15-42,001.14

Finding the Fourth Proportional to 121,985.77, 182,933.15 and 42,001.14

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Solution

The fourth proportional to 121,985.77, 182,933.15 and 42,001.14 is: 62,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,985.77 : 182,933.15 = 42,001.14 : x
  2. Step 2: Convert to fraction form
    121,985.77/182,933.15 = 42,001.14/x
  3. Step 3: Cross multiply
    121,985.77x = 182,933.15 × 42,001.14
  4. Step 4: Simplify right side
    121,985.77x = 7,683,400,633.79
  5. Step 5: Solve for x
    x = 7,683,400,633.79/121,985.77
  6. Step 6: Final answer
    x = 62,986.04

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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.