Home / 112,934.76-155,856.42-68,237.16

Finding the Fourth Proportional to 112,934.76, 155,856.42 and 68,237.16

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Solution

The fourth proportional to 112,934.76, 155,856.42 and 68,237.16 is: 94,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,934.76 : 155,856.42 = 68,237.16 : x
  2. Step 2: Convert to fraction form
    112,934.76/155,856.42 = 68,237.16/x
  3. Step 3: Cross multiply
    112,934.76x = 155,856.42 × 68,237.16
  4. Step 4: Simplify right side
    112,934.76x = 10,635,199,468.57
  5. Step 5: Solve for x
    x = 10,635,199,468.57/112,934.76
  6. Step 6: Final answer
    x = 94,171.18

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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.