Home / 103,476.24-142,684.20-69,883.92

Finding the Fourth Proportional to 103,476.24, 142,684.20 and 69,883.92

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Solution

The fourth proportional to 103,476.24, 142,684.20 and 69,883.92 is: 96,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,476.24 : 142,684.20 = 69,883.92 : x
  2. Step 2: Convert to fraction form
    103,476.24/142,684.20 = 69,883.92/x
  3. Step 3: Cross multiply
    103,476.24x = 142,684.20 × 69,883.92
  4. Step 4: Simplify right side
    103,476.24x = 9,971,331,218.06
  5. Step 5: Solve for x
    x = 9,971,331,218.06/103,476.24
  6. Step 6: Final answer
    x = 96,363.49

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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.