Home / 112,027.95-154,385.91-80,141.49

Finding the Fourth Proportional to 112,027.95, 154,385.91 and 80,141.49

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Solution

The fourth proportional to 112,027.95, 154,385.91 and 80,141.49 is: 110,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,027.95 : 154,385.91 = 80,141.49 : x
  2. Step 2: Convert to fraction form
    112,027.95/154,385.91 = 80,141.49/x
  3. Step 3: Cross multiply
    112,027.95x = 154,385.91 × 80,141.49
  4. Step 4: Simplify right side
    112,027.95x = 12,372,716,862.41
  5. Step 5: Solve for x
    x = 12,372,716,862.41/112,027.95
  6. Step 6: Final answer
    x = 110,443.12

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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.