Home / 123,577.38-170,544.14-69,867.40

Finding the Fourth Proportional to 123,577.38, 170,544.14 and 69,867.40

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Solution

The fourth proportional to 123,577.38, 170,544.14 and 69,867.40 is: 96,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,577.38 : 170,544.14 = 69,867.40 : x
  2. Step 2: Convert to fraction form
    123,577.38/170,544.14 = 69,867.40/x
  3. Step 3: Cross multiply
    123,577.38x = 170,544.14 × 69,867.40
  4. Step 4: Simplify right side
    123,577.38x = 11,915,475,647.04
  5. Step 5: Solve for x
    x = 11,915,475,647.04/123,577.38
  6. Step 6: Final answer
    x = 96,421.17

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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.