Home / 261,955.13-361,498.07-142,723.13

Finding the Fourth Proportional to 261,955.13, 361,498.07 and 142,723.13

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Solution

The fourth proportional to 261,955.13, 361,498.07 and 142,723.13 is: 196,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,955.13 : 361,498.07 = 142,723.13 : x
  2. Step 2: Convert to fraction form
    261,955.13/361,498.07 = 142,723.13/x
  3. Step 3: Cross multiply
    261,955.13x = 361,498.07 × 142,723.13
  4. Step 4: Simplify right side
    261,955.13x = 51,594,134,588.68
  5. Step 5: Solve for x
    x = 51,594,134,588.68/261,955.13
  6. Step 6: Final answer
    x = 196,957.91

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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.