Home / 250,332.12-375,521.26-81,853.31

Finding the Fourth Proportional to 250,332.12, 375,521.26 and 81,853.31

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Solution

The fourth proportional to 250,332.12, 375,521.26 and 81,853.31 is: 122,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,332.12 : 375,521.26 = 81,853.31 : x
  2. Step 2: Convert to fraction form
    250,332.12/375,521.26 = 81,853.31/x
  3. Step 3: Cross multiply
    250,332.12x = 375,521.26 × 81,853.31
  4. Step 4: Simplify right side
    250,332.12x = 30,737,657,167.57
  5. Step 5: Solve for x
    x = 30,737,657,167.57/250,332.12
  6. Step 6: Final answer
    x = 122,787.51

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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.