Home / 168,015.30-252,022.95-145,205.70

Finding the Fourth Proportional to 168,015.30, 252,022.95 and 145,205.70

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Solution

The fourth proportional to 168,015.30, 252,022.95 and 145,205.70 is: 217,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,015.30 : 252,022.95 = 145,205.70 : x
  2. Step 2: Convert to fraction form
    168,015.30/252,022.95 = 145,205.70/x
  3. Step 3: Cross multiply
    168,015.30x = 252,022.95 × 145,205.70
  4. Step 4: Simplify right side
    168,015.30x = 36,595,168,870.82
  5. Step 5: Solve for x
    x = 36,595,168,870.82/168,015.30
  6. Step 6: Final answer
    x = 217,808.55

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1.5x scale

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.