Home / 125,086.55-172,616.27-69,896.35

Finding the Fourth Proportional to 125,086.55, 172,616.27 and 69,896.35

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Solution

The fourth proportional to 125,086.55, 172,616.27 and 69,896.35 is: 96,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,086.55 : 172,616.27 = 69,896.35 : x
  2. Step 2: Convert to fraction form
    125,086.55/172,616.27 = 69,896.35/x
  3. Step 3: Cross multiply
    125,086.55x = 172,616.27 × 69,896.35
  4. Step 4: Simplify right side
    125,086.55x = 12,065,246,725.79
  5. Step 5: Solve for x
    x = 12,065,246,725.79/125,086.55
  6. Step 6: Final answer
    x = 96,455.19

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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.