Home / 99,524.34-137,329.29-70,918.38

Finding the Fourth Proportional to 99,524.34, 137,329.29 and 70,918.38

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Solution

The fourth proportional to 99,524.34, 137,329.29 and 70,918.38 is: 97,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,524.34 : 137,329.29 = 70,918.38 : x
  2. Step 2: Convert to fraction form
    99,524.34/137,329.29 = 70,918.38/x
  3. Step 3: Cross multiply
    99,524.34x = 137,329.29 × 70,918.38
  4. Step 4: Simplify right side
    99,524.34x = 9,739,170,773.35
  5. Step 5: Solve for x
    x = 9,739,170,773.35/99,524.34
  6. Step 6: Final answer
    x = 97,857.18

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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.