Home / 162,453.12-243,493.08-101,690.68

Finding the Fourth Proportional to 162,453.12, 243,493.08 and 101,690.68

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Solution

The fourth proportional to 162,453.12, 243,493.08 and 101,690.68 is: 152,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,453.12 : 243,493.08 = 101,690.68 : x
  2. Step 2: Convert to fraction form
    162,453.12/243,493.08 = 101,690.68/x
  3. Step 3: Cross multiply
    162,453.12x = 243,493.08 × 101,690.68
  4. Step 4: Simplify right side
    162,453.12x = 24,760,976,880.49
  5. Step 5: Solve for x
    x = 24,760,976,880.49/162,453.12
  6. Step 6: Final answer
    x = 152,419.21

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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.