Home / 125,713.20-188,248.68-121,973.16

Finding the Fourth Proportional to 125,713.20, 188,248.68 and 121,973.16

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Solution

The fourth proportional to 125,713.20, 188,248.68 and 121,973.16 is: 182,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,713.20 : 188,248.68 = 121,973.16 : x
  2. Step 2: Convert to fraction form
    125,713.20/188,248.68 = 121,973.16/x
  3. Step 3: Cross multiply
    125,713.20x = 188,248.68 × 121,973.16
  4. Step 4: Simplify right side
    125,713.20x = 22,961,286,365.43
  5. Step 5: Solve for x
    x = 22,961,286,365.43/125,713.20
  6. Step 6: Final answer
    x = 182,648.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.