Home / 148,386.60-204,772.86-80,403.84

Finding the Fourth Proportional to 148,386.60, 204,772.86 and 80,403.84

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Solution

The fourth proportional to 148,386.60, 204,772.86 and 80,403.84 is: 110,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,386.60 : 204,772.86 = 80,403.84 : x
  2. Step 2: Convert to fraction form
    148,386.60/204,772.86 = 80,403.84/x
  3. Step 3: Cross multiply
    148,386.60x = 204,772.86 × 80,403.84
  4. Step 4: Simplify right side
    148,386.60x = 16,464,524,271.78
  5. Step 5: Solve for x
    x = 16,464,524,271.78/148,386.60
  6. Step 6: Final answer
    x = 110,956.95

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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.