Home / 97,845.68-134,967.32-64,693.76

Finding the Fourth Proportional to 97,845.68, 134,967.32 and 64,693.76

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Solution

The fourth proportional to 97,845.68, 134,967.32 and 64,693.76 is: 89,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,845.68 : 134,967.32 = 64,693.76 : x
  2. Step 2: Convert to fraction form
    97,845.68/134,967.32 = 64,693.76/x
  3. Step 3: Cross multiply
    97,845.68x = 134,967.32 × 64,693.76
  4. Step 4: Simplify right side
    97,845.68x = 8,731,543,407.92
  5. Step 5: Solve for x
    x = 8,731,543,407.92/97,845.68
  6. Step 6: Final answer
    x = 89,237.90

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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.