Home / 89,444.10-134,190.35-30,279.78

Finding the Fourth Proportional to 89,444.10, 134,190.35 and 30,279.78

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Solution

The fourth proportional to 89,444.10, 134,190.35 and 30,279.78 is: 45,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,444.10 : 134,190.35 = 30,279.78 : x
  2. Step 2: Convert to fraction form
    89,444.10/134,190.35 = 30,279.78/x
  3. Step 3: Cross multiply
    89,444.10x = 134,190.35 × 30,279.78
  4. Step 4: Simplify right side
    89,444.10x = 4,063,254,408.60
  5. Step 5: Solve for x
    x = 4,063,254,408.60/89,444.10
  6. Step 6: Final answer
    x = 45,427.86

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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.