Home / 162,530.35-243,795.53-103,627.15

Finding the Fourth Proportional to 162,530.35, 243,795.53 and 103,627.15

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Solution

The fourth proportional to 162,530.35, 243,795.53 and 103,627.15 is: 155,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,530.35 : 243,795.53 = 103,627.15 : x
  2. Step 2: Convert to fraction form
    162,530.35/243,795.53 = 103,627.15/x
  3. Step 3: Cross multiply
    162,530.35x = 243,795.53 × 103,627.15
  4. Step 4: Simplify right side
    162,530.35x = 25,263,835,956.64
  5. Step 5: Solve for x
    x = 25,263,835,956.64/162,530.35
  6. Step 6: Final answer
    x = 155,440.73

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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.