Home / 170,262.12-255,618.90-145,461.54

Finding the Fourth Proportional to 170,262.12, 255,618.90 and 145,461.54

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Solution

The fourth proportional to 170,262.12, 255,618.90 and 145,461.54 is: 218,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,262.12 : 255,618.90 = 145,461.54 : x
  2. Step 2: Convert to fraction form
    170,262.12/255,618.90 = 145,461.54/x
  3. Step 3: Cross multiply
    170,262.12x = 255,618.90 × 145,461.54
  4. Step 4: Simplify right side
    170,262.12x = 37,182,718,847.11
  5. Step 5: Solve for x
    x = 37,182,718,847.11/170,262.12
  6. Step 6: Final answer
    x = 218,385.15

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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.