Home / 162,003.40-243,296.70-117,680.20

Finding the Fourth Proportional to 162,003.40, 243,296.70 and 117,680.20

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Solution

The fourth proportional to 162,003.40, 243,296.70 and 117,680.20 is: 176,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003.40 : 243,296.70 = 117,680.20 : x
  2. Step 2: Convert to fraction form
    162,003.40/243,296.70 = 117,680.20/x
  3. Step 3: Cross multiply
    162,003.40x = 243,296.70 × 117,680.20
  4. Step 4: Simplify right side
    162,003.40x = 28,631,204,315.34
  5. Step 5: Solve for x
    x = 28,631,204,315.34/162,003.40
  6. Step 6: Final answer
    x = 176,732.12

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1.5x scale

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.