Home / 261,908.38-361,423.98-160,104.34

Finding the Fourth Proportional to 261,908.38, 361,423.98 and 160,104.34

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Solution

The fourth proportional to 261,908.38, 361,423.98 and 160,104.34 is: 220,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,908.38 : 361,423.98 = 160,104.34 : x
  2. Step 2: Convert to fraction form
    261,908.38/361,423.98 = 160,104.34/x
  3. Step 3: Cross multiply
    261,908.38x = 361,423.98 × 160,104.34
  4. Step 4: Simplify right side
    261,908.38x = 57,865,547,778.07
  5. Step 5: Solve for x
    x = 57,865,547,778.07/261,908.38
  6. Step 6: Final answer
    x = 220,938.13

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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.