Home / 97,059.26-145,613.06-77,143.88

Finding the Fourth Proportional to 97,059.26, 145,613.06 and 77,143.88

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Solution

The fourth proportional to 97,059.26, 145,613.06 and 77,143.88 is: 115,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,059.26 : 145,613.06 = 77,143.88 : x
  2. Step 2: Convert to fraction form
    97,059.26/145,613.06 = 77,143.88/x
  3. Step 3: Cross multiply
    97,059.26x = 145,613.06 × 77,143.88
  4. Step 4: Simplify right side
    97,059.26x = 11,233,156,405.39
  5. Step 5: Solve for x
    x = 11,233,156,405.39/97,059.26
  6. Step 6: Final answer
    x = 115,735.04

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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.