Home / 123,293.04-170,134.68-75,539.90

Finding the Fourth Proportional to 123,293.04, 170,134.68 and 75,539.90

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Solution

The fourth proportional to 123,293.04, 170,134.68 and 75,539.90 is: 104,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,293.04 : 170,134.68 = 75,539.90 : x
  2. Step 2: Convert to fraction form
    123,293.04/170,134.68 = 75,539.90/x
  3. Step 3: Cross multiply
    123,293.04x = 170,134.68 × 75,539.90
  4. Step 4: Simplify right side
    123,293.04x = 12,851,955,863.06
  5. Step 5: Solve for x
    x = 12,851,955,863.06/123,293.04
  6. Step 6: Final answer
    x = 104,239.10

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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.