Home / 148,591.71-204,816.83-121,686.75

Finding the Fourth Proportional to 148,591.71, 204,816.83 and 121,686.75

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Solution

The fourth proportional to 148,591.71, 204,816.83 and 121,686.75 is: 167,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,591.71 : 204,816.83 = 121,686.75 : x
  2. Step 2: Convert to fraction form
    148,591.71/204,816.83 = 121,686.75/x
  3. Step 3: Cross multiply
    148,591.71x = 204,816.83 × 121,686.75
  4. Step 4: Simplify right side
    148,591.71x = 24,923,493,779.57
  5. Step 5: Solve for x
    x = 24,923,493,779.57/148,591.71
  6. Step 6: Final answer
    x = 167,731.39

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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.