Home / 148,377.09-204,760.10-80,395.90

Finding the Fourth Proportional to 148,377.09, 204,760.10 and 80,395.90

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Solution

The fourth proportional to 148,377.09, 204,760.10 and 80,395.90 is: 110,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,377.09 : 204,760.10 = 80,395.90 : x
  2. Step 2: Convert to fraction form
    148,377.09/204,760.10 = 80,395.90/x
  3. Step 3: Cross multiply
    148,377.09x = 204,760.10 × 80,395.90
  4. Step 4: Simplify right side
    148,377.09x = 16,461,872,877.34
  5. Step 5: Solve for x
    x = 16,461,872,877.34/148,377.09
  6. Step 6: Final answer
    x = 110,946.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.