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Finding the Fourth Proportional to 136,766.51, 205,246.14 and 48,026.93

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Solution

The fourth proportional to 136,766.51, 205,246.14 and 48,026.93 is: 72,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,766.51 : 205,246.14 = 48,026.93 : x
  2. Step 2: Convert to fraction form
    136,766.51/205,246.14 = 48,026.93/x
  3. Step 3: Cross multiply
    136,766.51x = 205,246.14 × 48,026.93
  4. Step 4: Simplify right side
    136,766.51x = 9,857,340,792.22
  5. Step 5: Solve for x
    x = 9,857,340,792.22/136,766.51
  6. Step 6: Final answer
    x = 72,074.23

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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.