Home / 103,341.12-142,654.08-69,852.48

Finding the Fourth Proportional to 103,341.12, 142,654.08 and 69,852.48

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Solution

The fourth proportional to 103,341.12, 142,654.08 and 69,852.48 is: 96,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,341.12 : 142,654.08 = 69,852.48 : x
  2. Step 2: Convert to fraction form
    103,341.12/142,654.08 = 69,852.48/x
  3. Step 3: Cross multiply
    103,341.12x = 142,654.08 × 69,852.48
  4. Step 4: Simplify right side
    103,341.12x = 9,964,741,270.12
  5. Step 5: Solve for x
    x = 9,964,741,270.12/103,341.12
  6. Step 6: Final answer
    x = 96,425.71

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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.