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Finding the Fourth Proportional to 148,369.77, 204,749.73 and 80,386.74

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Solution

The fourth proportional to 148,369.77, 204,749.73 and 80,386.74 is: 110,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,369.77 : 204,749.73 = 80,386.74 : x
  2. Step 2: Convert to fraction form
    148,369.77/204,749.73 = 80,386.74/x
  3. Step 3: Cross multiply
    148,369.77x = 204,749.73 × 80,386.74
  4. Step 4: Simplify right side
    148,369.77x = 16,459,163,310.58
  5. Step 5: Solve for x
    x = 16,459,163,310.58/148,369.77
  6. Step 6: Final answer
    x = 110,933.40

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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.