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Finding the Fourth Proportional to 162,008.10, 243,012.15 and 104,927.40

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Solution

The fourth proportional to 162,008.10, 243,012.15 and 104,927.40 is: 157,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,008.10 : 243,012.15 = 104,927.40 : x
  2. Step 2: Convert to fraction form
    162,008.10/243,012.15 = 104,927.40/x
  3. Step 3: Cross multiply
    162,008.10x = 243,012.15 × 104,927.40
  4. Step 4: Simplify right side
    162,008.10x = 25,498,633,067.91
  5. Step 5: Solve for x
    x = 25,498,633,067.91/162,008.10
  6. Step 6: Final answer
    x = 157,391.10

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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.