Home / 250,726.19-345,981.39-137,548.94

Finding the Fourth Proportional to 250,726.19, 345,981.39 and 137,548.94

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Solution

The fourth proportional to 250,726.19, 345,981.39 and 137,548.94 is: 189,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,726.19 : 345,981.39 = 137,548.94 : x
  2. Step 2: Convert to fraction form
    250,726.19/345,981.39 = 137,548.94/x
  3. Step 3: Cross multiply
    250,726.19x = 345,981.39 × 137,548.94
  4. Step 4: Simplify right side
    250,726.19x = 47,589,373,454.23
  5. Step 5: Solve for x
    x = 47,589,373,454.23/250,726.19
  6. Step 6: Final answer
    x = 189,806.15

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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.