Home / 140,366.08-193,704.06-76,702.72

Finding the Fourth Proportional to 140,366.08, 193,704.06 and 76,702.72

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Solution

The fourth proportional to 140,366.08, 193,704.06 and 76,702.72 is: 105,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,366.08 : 193,704.06 = 76,702.72 : x
  2. Step 2: Convert to fraction form
    140,366.08/193,704.06 = 76,702.72/x
  3. Step 3: Cross multiply
    140,366.08x = 193,704.06 × 76,702.72
  4. Step 4: Simplify right side
    140,366.08x = 14,857,628,277.04
  5. Step 5: Solve for x
    x = 14,857,628,277.04/140,366.08
  6. Step 6: Final answer
    x = 105,849.14

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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.