Home / 162,434.98-243,725.19-103,255.30

Finding the Fourth Proportional to 162,434.98, 243,725.19 and 103,255.30

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Solution

The fourth proportional to 162,434.98, 243,725.19 and 103,255.30 is: 154,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,434.98 : 243,725.19 = 103,255.30 : x
  2. Step 2: Convert to fraction form
    162,434.98/243,725.19 = 103,255.30/x
  3. Step 3: Cross multiply
    162,434.98x = 243,725.19 × 103,255.30
  4. Step 4: Simplify right side
    162,434.98x = 25,165,917,611.01
  5. Step 5: Solve for x
    x = 25,165,917,611.01/162,434.98
  6. Step 6: Final answer
    x = 154,929.18

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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.