Home / 119,257.92-164,449.85-100,124.51

Finding the Fourth Proportional to 119,257.92, 164,449.85 and 100,124.51

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Solution

The fourth proportional to 119,257.92, 164,449.85 and 100,124.51 is: 138,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,257.92 : 164,449.85 = 100,124.51 : x
  2. Step 2: Convert to fraction form
    119,257.92/164,449.85 = 100,124.51/x
  3. Step 3: Cross multiply
    119,257.92x = 164,449.85 × 100,124.51
  4. Step 4: Simplify right side
    119,257.92x = 16,465,459,327.95
  5. Step 5: Solve for x
    x = 16,465,459,327.95/119,257.92
  6. Step 6: Final answer
    x = 138,065.96

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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.