Home / 89,958.16-135,019.56-45,615.52

Finding the Fourth Proportional to 89,958.16, 135,019.56 and 45,615.52

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Solution

The fourth proportional to 89,958.16, 135,019.56 and 45,615.52 is: 68,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,958.16 : 135,019.56 = 45,615.52 : x
  2. Step 2: Convert to fraction form
    89,958.16/135,019.56 = 45,615.52/x
  3. Step 3: Cross multiply
    89,958.16x = 135,019.56 × 45,615.52
  4. Step 4: Simplify right side
    89,958.16x = 6,158,987,439.57
  5. Step 5: Solve for x
    x = 6,158,987,439.57/89,958.16
  6. Step 6: Final answer
    x = 68,465.02

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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.