Home / 162,213.66-243,320.36-118,120.91

Finding the Fourth Proportional to 162,213.66, 243,320.36 and 118,120.91

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Solution

The fourth proportional to 162,213.66, 243,320.36 and 118,120.91 is: 177,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,213.66 : 243,320.36 = 118,120.91 : x
  2. Step 2: Convert to fraction form
    162,213.66/243,320.36 = 118,120.91/x
  3. Step 3: Cross multiply
    162,213.66x = 243,320.36 × 118,120.91
  4. Step 4: Simplify right side
    162,213.66x = 28,741,220,537.52
  5. Step 5: Solve for x
    x = 28,741,220,537.52/162,213.66
  6. Step 6: Final answer
    x = 177,181.26

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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.