Home / 89,345.34-134,003.43-30,179.70

Finding the Fourth Proportional to 89,345.34, 134,003.43 and 30,179.70

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Solution

The fourth proportional to 89,345.34, 134,003.43 and 30,179.70 is: 45,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,345.34 : 134,003.43 = 30,179.70 : x
  2. Step 2: Convert to fraction form
    89,345.34/134,003.43 = 30,179.70/x
  3. Step 3: Cross multiply
    89,345.34x = 134,003.43 × 30,179.70
  4. Step 4: Simplify right side
    89,345.34x = 4,044,183,316.37
  5. Step 5: Solve for x
    x = 4,044,183,316.37/89,345.34
  6. Step 6: Final answer
    x = 45,264.63

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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.