Home / 112,920.96-155,439.72-97,600.49

Finding the Fourth Proportional to 112,920.96, 155,439.72 and 97,600.49

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Solution

The fourth proportional to 112,920.96, 155,439.72 and 97,600.49 is: 134,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,920.96 : 155,439.72 = 97,600.49 : x
  2. Step 2: Convert to fraction form
    112,920.96/155,439.72 = 97,600.49/x
  3. Step 3: Cross multiply
    112,920.96x = 155,439.72 × 97,600.49
  4. Step 4: Simplify right side
    112,920.96x = 15,170,992,837.46
  5. Step 5: Solve for x
    x = 15,170,992,837.46/112,920.96
  6. Step 6: Final answer
    x = 134,350.55

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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.