Home / 90,271.74-135,440.01-40,347.66

Finding the Fourth Proportional to 90,271.74, 135,440.01 and 40,347.66

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Solution

The fourth proportional to 90,271.74, 135,440.01 and 40,347.66 is: 60,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,271.74 : 135,440.01 = 40,347.66 : x
  2. Step 2: Convert to fraction form
    90,271.74/135,440.01 = 40,347.66/x
  3. Step 3: Cross multiply
    90,271.74x = 135,440.01 × 40,347.66
  4. Step 4: Simplify right side
    90,271.74x = 5,464,687,473.88
  5. Step 5: Solve for x
    x = 5,464,687,473.88/90,271.74
  6. Step 6: Final answer
    x = 60,535.97

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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.