Home / 261,799.02-361,272.96-159,994.80

Finding the Fourth Proportional to 261,799.02, 361,272.96 and 159,994.80

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Solution

The fourth proportional to 261,799.02, 361,272.96 and 159,994.80 is: 220,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,799.02 : 361,272.96 = 159,994.80 : x
  2. Step 2: Convert to fraction form
    261,799.02/361,272.96 = 159,994.80/x
  3. Step 3: Cross multiply
    261,799.02x = 361,272.96 × 159,994.80
  4. Step 4: Simplify right side
    261,799.02x = 57,801,794,980.61
  5. Step 5: Solve for x
    x = 57,801,794,980.61/261,799.02
  6. Step 6: Final answer
    x = 220,786.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.