Home / 121,294.22-181,740.19-73,765.55

Finding the Fourth Proportional to 121,294.22, 181,740.19 and 73,765.55

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Solution

The fourth proportional to 121,294.22, 181,740.19 and 73,765.55 is: 110,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294.22 : 181,740.19 = 73,765.55 : x
  2. Step 2: Convert to fraction form
    121,294.22/181,740.19 = 73,765.55/x
  3. Step 3: Cross multiply
    121,294.22x = 181,740.19 × 73,765.55
  4. Step 4: Simplify right side
    121,294.22x = 13,406,165,072.45
  5. Step 5: Solve for x
    x = 13,406,165,072.45/121,294.22
  6. Step 6: Final answer
    x = 110,526.00

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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.