Home / 181,810.10-272,694.26-69,487.80

Finding the Fourth Proportional to 181,810.10, 272,694.26 and 69,487.80

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Solution

The fourth proportional to 181,810.10, 272,694.26 and 69,487.80 is: 104,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,810.10 : 272,694.26 = 69,487.80 : x
  2. Step 2: Convert to fraction form
    181,810.10/272,694.26 = 69,487.80/x
  3. Step 3: Cross multiply
    181,810.10x = 272,694.26 × 69,487.80
  4. Step 4: Simplify right side
    181,810.10x = 18,948,924,200.03
  5. Step 5: Solve for x
    x = 18,948,924,200.03/181,810.10
  6. Step 6: Final answer
    x = 104,223.72

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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.