Home / 170,411.20-255,616.80-144,167.20

Finding the Fourth Proportional to 170,411.20, 255,616.80 and 144,167.20

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Solution

The fourth proportional to 170,411.20, 255,616.80 and 144,167.20 is: 216,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,411.20 : 255,616.80 = 144,167.20 : x
  2. Step 2: Convert to fraction form
    170,411.20/255,616.80 = 144,167.20/x
  3. Step 3: Cross multiply
    170,411.20x = 255,616.80 × 144,167.20
  4. Step 4: Simplify right side
    170,411.20x = 36,851,558,328.96
  5. Step 5: Solve for x
    x = 36,851,558,328.96/170,411.20
  6. Step 6: Final answer
    x = 216,250.80

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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.