Home / 148,862.96-205,429.40-81,793.52

Finding the Fourth Proportional to 148,862.96, 205,429.40 and 81,793.52

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Solution

The fourth proportional to 148,862.96, 205,429.40 and 81,793.52 is: 112,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,862.96 : 205,429.40 = 81,793.52 : x
  2. Step 2: Convert to fraction form
    148,862.96/205,429.40 = 81,793.52/x
  3. Step 3: Cross multiply
    148,862.96x = 205,429.40 × 81,793.52
  4. Step 4: Simplify right side
    148,862.96x = 16,802,793,737.49
  5. Step 5: Solve for x
    x = 16,802,793,737.49/148,862.96
  6. Step 6: Final answer
    x = 112,874.24

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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.