Home / 124,826.79-172,218.87-71,073.76

Finding the Fourth Proportional to 124,826.79, 172,218.87 and 71,073.76

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Solution

The fourth proportional to 124,826.79, 172,218.87 and 71,073.76 is: 98,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,826.79 : 172,218.87 = 71,073.76 : x
  2. Step 2: Convert to fraction form
    124,826.79/172,218.87 = 71,073.76/x
  3. Step 3: Cross multiply
    124,826.79x = 172,218.87 × 71,073.76
  4. Step 4: Simplify right side
    124,826.79x = 12,240,242,633.85
  5. Step 5: Solve for x
    x = 12,240,242,633.85/124,826.79
  6. Step 6: Final answer
    x = 98,057.82

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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.