Home / 261,742.41-392,730.26-137,054.25

Finding the Fourth Proportional to 261,742.41, 392,730.26 and 137,054.25

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Solution

The fourth proportional to 261,742.41, 392,730.26 and 137,054.25 is: 205,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,742.41 : 392,730.26 = 137,054.25 : x
  2. Step 2: Convert to fraction form
    261,742.41/392,730.26 = 137,054.25/x
  3. Step 3: Cross multiply
    261,742.41x = 392,730.26 × 137,054.25
  4. Step 4: Simplify right side
    261,742.41x = 53,825,350,551.33
  5. Step 5: Solve for x
    x = 53,825,350,551.33/261,742.41
  6. Step 6: Final answer
    x = 205,642.45

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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.