Home / 112,227.64-154,874.06-71,941.38

Finding the Fourth Proportional to 112,227.64, 154,874.06 and 71,941.38

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Solution

The fourth proportional to 112,227.64, 154,874.06 and 71,941.38 is: 99,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,227.64 : 154,874.06 = 71,941.38 : x
  2. Step 2: Convert to fraction form
    112,227.64/154,874.06 = 71,941.38/x
  3. Step 3: Cross multiply
    112,227.64x = 154,874.06 × 71,941.38
  4. Step 4: Simplify right side
    112,227.64x = 11,141,853,602.60
  5. Step 5: Solve for x
    x = 11,141,853,602.60/112,227.64
  6. Step 6: Final answer
    x = 99,279.05

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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.