Home / 146,569.80-219,854.70-130,240.20

Finding the Fourth Proportional to 146,569.80, 219,854.70 and 130,240.20

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Solution

The fourth proportional to 146,569.80, 219,854.70 and 130,240.20 is: 195,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,569.80 : 219,854.70 = 130,240.20 : x
  2. Step 2: Convert to fraction form
    146,569.80/219,854.70 = 130,240.20/x
  3. Step 3: Cross multiply
    146,569.80x = 219,854.70 × 130,240.20
  4. Step 4: Simplify right side
    146,569.80x = 28,633,920,098.94
  5. Step 5: Solve for x
    x = 28,633,920,098.94/146,569.80
  6. Step 6: Final answer
    x = 195,360.30

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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.