Home / 103,634.46-142,908.57-97,605.90

Finding the Fourth Proportional to 103,634.46, 142,908.57 and 97,605.90

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Solution

The fourth proportional to 103,634.46, 142,908.57 and 97,605.90 is: 134,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.46 : 142,908.57 = 97,605.90 : x
  2. Step 2: Convert to fraction form
    103,634.46/142,908.57 = 97,605.90/x
  3. Step 3: Cross multiply
    103,634.46x = 142,908.57 × 97,605.90
  4. Step 4: Simplify right side
    103,634.46x = 13,948,719,592.56
  5. Step 5: Solve for x
    x = 13,948,719,592.56/103,634.46
  6. Step 6: Final answer
    x = 134,595.38

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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.