Home / 92,047.29-137,868.57-76,071.27

Finding the Fourth Proportional to 92,047.29, 137,868.57 and 76,071.27

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Solution

The fourth proportional to 92,047.29, 137,868.57 and 76,071.27 is: 113,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,047.29 : 137,868.57 = 76,071.27 : x
  2. Step 2: Convert to fraction form
    92,047.29/137,868.57 = 76,071.27/x
  3. Step 3: Cross multiply
    92,047.29x = 137,868.57 × 76,071.27
  4. Step 4: Simplify right side
    92,047.29x = 10,487,837,212.98
  5. Step 5: Solve for x
    x = 10,487,837,212.98/92,047.29
  6. Step 6: Final answer
    x = 113,939.66

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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.