Home / 123,283.62-170,135.74-69,565.50

Finding the Fourth Proportional to 123,283.62, 170,135.74 and 69,565.50

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Solution

The fourth proportional to 123,283.62, 170,135.74 and 69,565.50 is: 96,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,283.62 : 170,135.74 = 69,565.50 : x
  2. Step 2: Convert to fraction form
    123,283.62/170,135.74 = 69,565.50/x
  3. Step 3: Cross multiply
    123,283.62x = 170,135.74 × 69,565.50
  4. Step 4: Simplify right side
    123,283.62x = 11,835,577,820.97
  5. Step 5: Solve for x
    x = 11,835,577,820.97/123,283.62
  6. Step 6: Final answer
    x = 96,002.84

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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.