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Finding the Fourth Proportional to 162,626, 243,687.08 and 112,802.96

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Solution

The fourth proportional to 162,626, 243,687.08 and 112,802.96 is: 169,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,626 : 243,687.08 = 112,802.96 : x
  2. Step 2: Convert to fraction form
    162,626/243,687.08 = 112,802.96/x
  3. Step 3: Cross multiply
    162,626x = 243,687.08 × 112,802.96
  4. Step 4: Simplify right side
    162,626x = 27,488,623,937.76
  5. Step 5: Solve for x
    x = 27,488,623,937.76/162,626
  6. Step 6: Final answer
    x = 169,029.70

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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.