Home / 97,646.76-146,470.14-31,107.30

Finding the Fourth Proportional to 97,646.76, 146,470.14 and 31,107.30

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Solution

The fourth proportional to 97,646.76, 146,470.14 and 31,107.30 is: 46,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,646.76 : 146,470.14 = 31,107.30 : x
  2. Step 2: Convert to fraction form
    97,646.76/146,470.14 = 31,107.30/x
  3. Step 3: Cross multiply
    97,646.76x = 146,470.14 × 31,107.30
  4. Step 4: Simplify right side
    97,646.76x = 4,556,290,586.02
  5. Step 5: Solve for x
    x = 4,556,290,586.02/97,646.76
  6. Step 6: Final answer
    x = 46,660.95

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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.