Home / 89,400.71-134,118.36-30,246.02

Finding the Fourth Proportional to 89,400.71, 134,118.36 and 30,246.02

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Solution

The fourth proportional to 89,400.71, 134,118.36 and 30,246.02 is: 45,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,400.71 : 134,118.36 = 30,246.02 : x
  2. Step 2: Convert to fraction form
    89,400.71/134,118.36 = 30,246.02/x
  3. Step 3: Cross multiply
    89,400.71x = 134,118.36 × 30,246.02
  4. Step 4: Simplify right side
    89,400.71x = 4,056,546,598.93
  5. Step 5: Solve for x
    x = 4,056,546,598.93/89,400.71
  6. Step 6: Final answer
    x = 45,374.88

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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.