Home / 162,341.20-243,511.80-73,767.70

Finding the Fourth Proportional to 162,341.20, 243,511.80 and 73,767.70

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Solution

The fourth proportional to 162,341.20, 243,511.80 and 73,767.70 is: 110,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,341.20 : 243,511.80 = 73,767.70 : x
  2. Step 2: Convert to fraction form
    162,341.20/243,511.80 = 73,767.70/x
  3. Step 3: Cross multiply
    162,341.20x = 243,511.80 × 73,767.70
  4. Step 4: Simplify right side
    162,341.20x = 17,963,305,408.86
  5. Step 5: Solve for x
    x = 17,963,305,408.86/162,341.20
  6. Step 6: Final answer
    x = 110,651.55

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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.