Home / 162,534.30-243,801.45-109,390.20

Finding the Fourth Proportional to 162,534.30, 243,801.45 and 109,390.20

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Solution

The fourth proportional to 162,534.30, 243,801.45 and 109,390.20 is: 164,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,534.30 : 243,801.45 = 109,390.20 : x
  2. Step 2: Convert to fraction form
    162,534.30/243,801.45 = 109,390.20/x
  3. Step 3: Cross multiply
    162,534.30x = 243,801.45 × 109,390.20
  4. Step 4: Simplify right side
    162,534.30x = 26,669,489,375.79
  5. Step 5: Solve for x
    x = 26,669,489,375.79/162,534.30
  6. Step 6: Final answer
    x = 164,085.30

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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.