Home / 123,422.89-185,140.68-34,683.32

Finding the Fourth Proportional to 123,422.89, 185,140.68 and 34,683.32

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Solution

The fourth proportional to 123,422.89, 185,140.68 and 34,683.32 is: 52,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,422.89 : 185,140.68 = 34,683.32 : x
  2. Step 2: Convert to fraction form
    123,422.89/185,140.68 = 34,683.32/x
  3. Step 3: Cross multiply
    123,422.89x = 185,140.68 × 34,683.32
  4. Step 4: Simplify right side
    123,422.89x = 6,421,293,449.46
  5. Step 5: Solve for x
    x = 6,421,293,449.46/123,422.89
  6. Step 6: Final answer
    x = 52,026.76

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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.