Home / 123,574.89-170,539.04-69,862.17

Finding the Fourth Proportional to 123,574.89, 170,539.04 and 69,862.17

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Solution

The fourth proportional to 123,574.89, 170,539.04 and 69,862.17 is: 96,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,574.89 : 170,539.04 = 69,862.17 : x
  2. Step 2: Convert to fraction form
    123,574.89/170,539.04 = 69,862.17/x
  3. Step 3: Cross multiply
    123,574.89x = 170,539.04 × 69,862.17
  4. Step 4: Simplify right side
    123,574.89x = 11,914,227,404.12
  5. Step 5: Solve for x
    x = 11,914,227,404.12/123,574.89
  6. Step 6: Final answer
    x = 96,413.01

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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.