Home / 112,325.93-155,044.10-69,318.57

Finding the Fourth Proportional to 112,325.93, 155,044.10 and 69,318.57

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Solution

The fourth proportional to 112,325.93, 155,044.10 and 69,318.57 is: 95,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,325.93 : 155,044.10 = 69,318.57 : x
  2. Step 2: Convert to fraction form
    112,325.93/155,044.10 = 69,318.57/x
  3. Step 3: Cross multiply
    112,325.93x = 155,044.10 × 69,318.57
  4. Step 4: Simplify right side
    112,325.93x = 10,747,435,472.23
  5. Step 5: Solve for x
    x = 10,747,435,472.23/112,325.93
  6. Step 6: Final answer
    x = 95,680.81

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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.