Home / 121,534.02-182,190.20-42,605.19

Finding the Fourth Proportional to 121,534.02, 182,190.20 and 42,605.19

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Solution

The fourth proportional to 121,534.02, 182,190.20 and 42,605.19 is: 63,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,534.02 : 182,190.20 = 42,605.19 : x
  2. Step 2: Convert to fraction form
    121,534.02/182,190.20 = 42,605.19/x
  3. Step 3: Cross multiply
    121,534.02x = 182,190.20 × 42,605.19
  4. Step 4: Simplify right side
    121,534.02x = 7,762,247,874.11
  5. Step 5: Solve for x
    x = 7,762,247,874.11/121,534.02
  6. Step 6: Final answer
    x = 63,868.93

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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.