Home / 103,441.08-155,229.66-56,726.76

Finding the Fourth Proportional to 103,441.08, 155,229.66 and 56,726.76

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Solution

The fourth proportional to 103,441.08, 155,229.66 and 56,726.76 is: 85,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,441.08 : 155,229.66 = 56,726.76 : x
  2. Step 2: Convert to fraction form
    103,441.08/155,229.66 = 56,726.76/x
  3. Step 3: Cross multiply
    103,441.08x = 155,229.66 × 56,726.76
  4. Step 4: Simplify right side
    103,441.08x = 8,805,675,667.70
  5. Step 5: Solve for x
    x = 8,805,675,667.70/103,441.08
  6. Step 6: Final answer
    x = 85,127.45

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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.