Home / 261,988.93-361,539.80-165,173.18

Finding the Fourth Proportional to 261,988.93, 361,539.80 and 165,173.18

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Solution

The fourth proportional to 261,988.93, 361,539.80 and 165,173.18 is: 227,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,988.93 : 361,539.80 = 165,173.18 : x
  2. Step 2: Convert to fraction form
    261,988.93/361,539.80 = 165,173.18/x
  3. Step 3: Cross multiply
    261,988.93x = 361,539.80 × 165,173.18
  4. Step 4: Simplify right side
    261,988.93x = 59,716,677,377.50
  5. Step 5: Solve for x
    x = 59,716,677,377.50/261,988.93
  6. Step 6: Final answer
    x = 227,935.88

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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.