Home / 103,077.81-154,470.92-43,853.85

Finding the Fourth Proportional to 103,077.81, 154,470.92 and 43,853.85

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Solution

The fourth proportional to 103,077.81, 154,470.92 and 43,853.85 is: 65,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,077.81 : 154,470.92 = 43,853.85 : x
  2. Step 2: Convert to fraction form
    103,077.81/154,470.92 = 43,853.85/x
  3. Step 3: Cross multiply
    103,077.81x = 154,470.92 × 43,853.85
  4. Step 4: Simplify right side
    103,077.81x = 6,774,144,335.77
  5. Step 5: Solve for x
    x = 6,774,144,335.77/103,077.81
  6. Step 6: Final answer
    x = 65,718.75

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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.