Home / 146,411.60-219,617.40-144,078.80

Finding the Fourth Proportional to 146,411.60, 219,617.40 and 144,078.80

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Solution

The fourth proportional to 146,411.60, 219,617.40 and 144,078.80 is: 216,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,411.60 : 219,617.40 = 144,078.80 : x
  2. Step 2: Convert to fraction form
    146,411.60/219,617.40 = 144,078.80/x
  3. Step 3: Cross multiply
    146,411.60x = 219,617.40 × 144,078.80
  4. Step 4: Simplify right side
    146,411.60x = 31,642,211,451.12
  5. Step 5: Solve for x
    x = 31,642,211,451.12/146,411.60
  6. Step 6: Final answer
    x = 216,118.20

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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.