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Finding the Fourth Proportional to 148,717.36, 205,216.32 and 88,277.68

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Solution

The fourth proportional to 148,717.36, 205,216.32 and 88,277.68 is: 121,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,717.36 : 205,216.32 = 88,277.68 : x
  2. Step 2: Convert to fraction form
    148,717.36/205,216.32 = 88,277.68/x
  3. Step 3: Cross multiply
    148,717.36x = 205,216.32 × 88,277.68
  4. Step 4: Simplify right side
    148,717.36x = 18,116,020,627.74
  5. Step 5: Solve for x
    x = 18,116,020,627.74/148,717.36
  6. Step 6: Final answer
    x = 121,815.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.