Home / 90,277.80-135,438.30-37,660.20

Finding the Fourth Proportional to 90,277.80, 135,438.30 and 37,660.20

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Solution

The fourth proportional to 90,277.80, 135,438.30 and 37,660.20 is: 56,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,277.80 : 135,438.30 = 37,660.20 : x
  2. Step 2: Convert to fraction form
    90,277.80/135,438.30 = 37,660.20/x
  3. Step 3: Cross multiply
    90,277.80x = 135,438.30 × 37,660.20
  4. Step 4: Simplify right side
    90,277.80x = 5,100,633,465.66
  5. Step 5: Solve for x
    x = 5,100,633,465.66/90,277.80
  6. Step 6: Final answer
    x = 56,499.31

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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.