Home / 125,233-172,839.26-77,501.73

Finding the Fourth Proportional to 125,233, 172,839.26 and 77,501.73

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Solution

The fourth proportional to 125,233, 172,839.26 and 77,501.73 is: 106,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,233 : 172,839.26 = 77,501.73 : x
  2. Step 2: Convert to fraction form
    125,233/172,839.26 = 77,501.73/x
  3. Step 3: Cross multiply
    125,233x = 172,839.26 × 77,501.73
  4. Step 4: Simplify right side
    125,233x = 13,395,340,410.21
  5. Step 5: Solve for x
    x = 13,395,340,410.21/125,233
  6. Step 6: Final answer
    x = 106,963.34

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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.