Home / 109,239.68-150,751.08-61,493.76

Finding the Fourth Proportional to 109,239.68, 150,751.08 and 61,493.76

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Solution

The fourth proportional to 109,239.68, 150,751.08 and 61,493.76 is: 84,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,239.68 : 150,751.08 = 61,493.76 : x
  2. Step 2: Convert to fraction form
    109,239.68/150,751.08 = 61,493.76/x
  3. Step 3: Cross multiply
    109,239.68x = 150,751.08 × 61,493.76
  4. Step 4: Simplify right side
    109,239.68x = 9,270,250,733.26
  5. Step 5: Solve for x
    x = 9,270,250,733.26/109,239.68
  6. Step 6: Final answer
    x = 84,861.57

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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.