Home / 146,020.40-219,030.60-93,489.20

Finding the Fourth Proportional to 146,020.40, 219,030.60 and 93,489.20

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Solution

The fourth proportional to 146,020.40, 219,030.60 and 93,489.20 is: 140,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,020.40 : 219,030.60 = 93,489.20 : x
  2. Step 2: Convert to fraction form
    146,020.40/219,030.60 = 93,489.20/x
  3. Step 3: Cross multiply
    146,020.40x = 219,030.60 × 93,489.20
  4. Step 4: Simplify right side
    146,020.40x = 20,476,995,569.52
  5. Step 5: Solve for x
    x = 20,476,995,569.52/146,020.40
  6. Step 6: Final answer
    x = 140,233.80

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1.5x scale

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.