Home / 97,785.40-146,694.60-30,301.90

Finding the Fourth Proportional to 97,785.40, 146,694.60 and 30,301.90

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Solution

The fourth proportional to 97,785.40, 146,694.60 and 30,301.90 is: 45,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,785.40 : 146,694.60 = 30,301.90 : x
  2. Step 2: Convert to fraction form
    97,785.40/146,694.60 = 30,301.90/x
  3. Step 3: Cross multiply
    97,785.40x = 146,694.60 × 30,301.90
  4. Step 4: Simplify right side
    97,785.40x = 4,445,125,099.74
  5. Step 5: Solve for x
    x = 4,445,125,099.74/97,785.40
  6. Step 6: Final answer
    x = 45,457.96

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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.