Home / 119,408.40-164,780.19-64,958.85

Finding the Fourth Proportional to 119,408.40, 164,780.19 and 64,958.85

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Solution

The fourth proportional to 119,408.40, 164,780.19 and 64,958.85 is: 89,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,408.40 : 164,780.19 = 64,958.85 : x
  2. Step 2: Convert to fraction form
    119,408.40/164,780.19 = 64,958.85/x
  3. Step 3: Cross multiply
    119,408.40x = 164,780.19 × 64,958.85
  4. Step 4: Simplify right side
    119,408.40x = 10,703,931,645.18
  5. Step 5: Solve for x
    x = 10,703,931,645.18/119,408.40
  6. Step 6: Final answer
    x = 89,641.36

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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.