Home / 103,680.01-155,512.72-40,488.26

Finding the Fourth Proportional to 103,680.01, 155,512.72 and 40,488.26

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Solution

The fourth proportional to 103,680.01, 155,512.72 and 40,488.26 is: 60,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.01 : 155,512.72 = 40,488.26 : x
  2. Step 2: Convert to fraction form
    103,680.01/155,512.72 = 40,488.26/x
  3. Step 3: Cross multiply
    103,680.01x = 155,512.72 × 40,488.26
  4. Step 4: Simplify right side
    103,680.01x = 6,296,439,440.67
  5. Step 5: Solve for x
    x = 6,296,439,440.67/103,680.01
  6. Step 6: Final answer
    x = 60,729.54

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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.