Home / 103,444.08-155,234.16-56,729.76

Finding the Fourth Proportional to 103,444.08, 155,234.16 and 56,729.76

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Solution

The fourth proportional to 103,444.08, 155,234.16 and 56,729.76 is: 85,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,444.08 : 155,234.16 = 56,729.76 : x
  2. Step 2: Convert to fraction form
    103,444.08/155,234.16 = 56,729.76/x
  3. Step 3: Cross multiply
    103,444.08x = 155,234.16 × 56,729.76
  4. Step 4: Simplify right side
    103,444.08x = 8,806,396,640.60
  5. Step 5: Solve for x
    x = 8,806,396,640.60/103,444.08
  6. Step 6: Final answer
    x = 85,131.95

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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.