Home / 89,444.03-134,157.78-30,272.90

Finding the Fourth Proportional to 89,444.03, 134,157.78 and 30,272.90

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Solution

The fourth proportional to 89,444.03, 134,157.78 and 30,272.90 is: 45,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,444.03 : 134,157.78 = 30,272.90 : x
  2. Step 2: Convert to fraction form
    89,444.03/134,157.78 = 30,272.90/x
  3. Step 3: Cross multiply
    89,444.03x = 134,157.78 × 30,272.90
  4. Step 4: Simplify right side
    89,444.03x = 4,061,344,387.37
  5. Step 5: Solve for x
    x = 4,061,344,387.37/89,444.03
  6. Step 6: Final answer
    x = 45,406.55

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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.