Home / 97,747.83-134,896.46-76,490.19

Finding the Fourth Proportional to 97,747.83, 134,896.46 and 76,490.19

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Solution

The fourth proportional to 97,747.83, 134,896.46 and 76,490.19 is: 105,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,747.83 : 134,896.46 = 76,490.19 : x
  2. Step 2: Convert to fraction form
    97,747.83/134,896.46 = 76,490.19/x
  3. Step 3: Cross multiply
    97,747.83x = 134,896.46 × 76,490.19
  4. Step 4: Simplify right side
    97,747.83x = 10,318,255,473.28
  5. Step 5: Solve for x
    x = 10,318,255,473.28/97,747.83
  6. Step 6: Final answer
    x = 105,559.94

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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.