Home / 109,127.27-150,595.67-61,380.65

Finding the Fourth Proportional to 109,127.27, 150,595.67 and 61,380.65

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Solution

The fourth proportional to 109,127.27, 150,595.67 and 61,380.65 is: 84,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,127.27 : 150,595.67 = 61,380.65 : x
  2. Step 2: Convert to fraction form
    109,127.27/150,595.67 = 61,380.65/x
  3. Step 3: Cross multiply
    109,127.27x = 150,595.67 × 61,380.65
  4. Step 4: Simplify right side
    109,127.27x = 9,243,660,641.73
  5. Step 5: Solve for x
    x = 9,243,660,641.73/109,127.27
  6. Step 6: Final answer
    x = 84,705.32

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1.5x scale

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.