Home / 103,610.10-155,530.35-64,211.70

Finding the Fourth Proportional to 103,610.10, 155,530.35 and 64,211.70

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Solution

The fourth proportional to 103,610.10, 155,530.35 and 64,211.70 is: 96,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610.10 : 155,530.35 = 64,211.70 : x
  2. Step 2: Convert to fraction form
    103,610.10/155,530.35 = 64,211.70/x
  3. Step 3: Cross multiply
    103,610.10x = 155,530.35 × 64,211.70
  4. Step 4: Simplify right side
    103,610.10x = 9,986,868,175.10
  5. Step 5: Solve for x
    x = 9,986,868,175.10/103,610.10
  6. Step 6: Final answer
    x = 96,388.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.