Home / 97,428.90-146,252.70-75,340.20

Finding the Fourth Proportional to 97,428.90, 146,252.70 and 75,340.20

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Solution

The fourth proportional to 97,428.90, 146,252.70 and 75,340.20 is: 113,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428.90 : 146,252.70 = 75,340.20 : x
  2. Step 2: Convert to fraction form
    97,428.90/146,252.70 = 75,340.20/x
  3. Step 3: Cross multiply
    97,428.90x = 146,252.70 × 75,340.20
  4. Step 4: Simplify right side
    97,428.90x = 11,018,707,668.54
  5. Step 5: Solve for x
    x = 11,018,707,668.54/97,428.90
  6. Step 6: Final answer
    x = 113,094.86

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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.