Home / 112,079.55-154,679.04-64,342.12

Finding the Fourth Proportional to 112,079.55, 154,679.04 and 64,342.12

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Solution

The fourth proportional to 112,079.55, 154,679.04 and 64,342.12 is: 88,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,079.55 : 154,679.04 = 64,342.12 : x
  2. Step 2: Convert to fraction form
    112,079.55/154,679.04 = 64,342.12/x
  3. Step 3: Cross multiply
    112,079.55x = 154,679.04 × 64,342.12
  4. Step 4: Simplify right side
    112,079.55x = 9,952,377,353.16
  5. Step 5: Solve for x
    x = 9,952,377,353.16/112,079.55
  6. Step 6: Final answer
    x = 88,797.44

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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.