Home / 90,091.20-134,952.30-50,565.30

Finding the Fourth Proportional to 90,091.20, 134,952.30 and 50,565.30

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Solution

The fourth proportional to 90,091.20, 134,952.30 and 50,565.30 is: 75,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,091.20 : 134,952.30 = 50,565.30 : x
  2. Step 2: Convert to fraction form
    90,091.20/134,952.30 = 50,565.30/x
  3. Step 3: Cross multiply
    90,091.20x = 134,952.30 × 50,565.30
  4. Step 4: Simplify right side
    90,091.20x = 6,823,903,535.19
  5. Step 5: Solve for x
    x = 6,823,903,535.19/90,091.20
  6. Step 6: Final answer
    x = 75,744.40

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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.