Home / 112,925.88-155,691.90-72,568.44

Finding the Fourth Proportional to 112,925.88, 155,691.90 and 72,568.44

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Solution

The fourth proportional to 112,925.88, 155,691.90 and 72,568.44 is: 100,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,925.88 : 155,691.90 = 72,568.44 : x
  2. Step 2: Convert to fraction form
    112,925.88/155,691.90 = 72,568.44/x
  3. Step 3: Cross multiply
    112,925.88x = 155,691.90 × 72,568.44
  4. Step 4: Simplify right side
    112,925.88x = 11,298,318,303.64
  5. Step 5: Solve for x
    x = 11,298,318,303.64/112,925.88
  6. Step 6: Final answer
    x = 100,050.74

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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.