Home / 103,429.20-155,220.60-41,144.40

Finding the Fourth Proportional to 103,429.20, 155,220.60 and 41,144.40

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Solution

The fourth proportional to 103,429.20, 155,220.60 and 41,144.40 is: 61,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,429.20 : 155,220.60 = 41,144.40 : x
  2. Step 2: Convert to fraction form
    103,429.20/155,220.60 = 41,144.40/x
  3. Step 3: Cross multiply
    103,429.20x = 155,220.60 × 41,144.40
  4. Step 4: Simplify right side
    103,429.20x = 6,386,458,454.64
  5. Step 5: Solve for x
    x = 6,386,458,454.64/103,429.20
  6. Step 6: Final answer
    x = 61,747.15

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1.5x scale

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.