Home / 158,909.64-219,232.62-102,353.82

Finding the Fourth Proportional to 158,909.64, 219,232.62 and 102,353.82

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Solution

The fourth proportional to 158,909.64, 219,232.62 and 102,353.82 is: 141,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,909.64 : 219,232.62 = 102,353.82 : x
  2. Step 2: Convert to fraction form
    158,909.64/219,232.62 = 102,353.82/x
  3. Step 3: Cross multiply
    158,909.64x = 219,232.62 × 102,353.82
  4. Step 4: Simplify right side
    158,909.64x = 22,439,296,125.61
  5. Step 5: Solve for x
    x = 22,439,296,125.61/158,909.64
  6. Step 6: Final answer
    x = 141,207.90

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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.