Home / 195,357.11-292,656.47-143,972.46

Finding the Fourth Proportional to 195,357.11, 292,656.47 and 143,972.46

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Solution

The fourth proportional to 195,357.11, 292,656.47 and 143,972.46 is: 215,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,357.11 : 292,656.47 = 143,972.46 : x
  2. Step 2: Convert to fraction form
    195,357.11/292,656.47 = 143,972.46/x
  3. Step 3: Cross multiply
    195,357.11x = 292,656.47 × 143,972.46
  4. Step 4: Simplify right side
    195,357.11x = 42,134,471,200.95
  5. Step 5: Solve for x
    x = 42,134,471,200.95/195,357.11
  6. Step 6: Final answer
    x = 215,679.24

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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.