Home / 119,020.25-164,248.14-65,305.67

Finding the Fourth Proportional to 119,020.25, 164,248.14 and 65,305.67

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Solution

The fourth proportional to 119,020.25, 164,248.14 and 65,305.67 is: 90,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,020.25 : 164,248.14 = 65,305.67 : x
  2. Step 2: Convert to fraction form
    119,020.25/164,248.14 = 65,305.67/x
  3. Step 3: Cross multiply
    119,020.25x = 164,248.14 × 65,305.67
  4. Step 4: Simplify right side
    119,020.25x = 10,726,334,252.61
  5. Step 5: Solve for x
    x = 10,726,334,252.61/119,020.25
  6. Step 6: Final answer
    x = 90,121.92

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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.