Home / 147,737.40-221,606.10-131,407.80

Finding the Fourth Proportional to 147,737.40, 221,606.10 and 131,407.80

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Solution

The fourth proportional to 147,737.40, 221,606.10 and 131,407.80 is: 197,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,737.40 : 221,606.10 = 131,407.80 : x
  2. Step 2: Convert to fraction form
    147,737.40/221,606.10 = 131,407.80/x
  3. Step 3: Cross multiply
    147,737.40x = 221,606.10 × 131,407.80
  4. Step 4: Simplify right side
    147,737.40x = 29,120,770,067.58
  5. Step 5: Solve for x
    x = 29,120,770,067.58/147,737.40
  6. Step 6: Final answer
    x = 197,111.70

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1.5x scale

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.