Home / 112,706.65-155,535.22-61,722.55

Finding the Fourth Proportional to 112,706.65, 155,535.22 and 61,722.55

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Solution

The fourth proportional to 112,706.65, 155,535.22 and 61,722.55 is: 85,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,706.65 : 155,535.22 = 61,722.55 : x
  2. Step 2: Convert to fraction form
    112,706.65/155,535.22 = 61,722.55/x
  3. Step 3: Cross multiply
    112,706.65x = 155,535.22 × 61,722.55
  4. Step 4: Simplify right side
    112,706.65x = 9,600,030,753.31
  5. Step 5: Solve for x
    x = 9,600,030,753.31/112,706.65
  6. Step 6: Final answer
    x = 85,177.14

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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.