Home / 125,507.36-173,201.10-71,789.06

Finding the Fourth Proportional to 125,507.36, 173,201.10 and 71,789.06

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Solution

The fourth proportional to 125,507.36, 173,201.10 and 71,789.06 is: 99,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,507.36 : 173,201.10 = 71,789.06 : x
  2. Step 2: Convert to fraction form
    125,507.36/173,201.10 = 71,789.06/x
  3. Step 3: Cross multiply
    125,507.36x = 173,201.10 × 71,789.06
  4. Step 4: Simplify right side
    125,507.36x = 12,433,944,159.97
  5. Step 5: Solve for x
    x = 12,433,944,159.97/125,507.36
  6. Step 6: Final answer
    x = 99,069.44

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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.