Home / 162,531.35-243,797.03-103,628.15

Finding the Fourth Proportional to 162,531.35, 243,797.03 and 103,628.15

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Solution

The fourth proportional to 162,531.35, 243,797.03 and 103,628.15 is: 155,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,531.35 : 243,797.03 = 103,628.15 : x
  2. Step 2: Convert to fraction form
    162,531.35/243,797.03 = 103,628.15/x
  3. Step 3: Cross multiply
    162,531.35x = 243,797.03 × 103,628.15
  4. Step 4: Simplify right side
    162,531.35x = 25,264,235,194.39
  5. Step 5: Solve for x
    x = 25,264,235,194.39/162,531.35
  6. Step 6: Final answer
    x = 155,442.23

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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.