Home / 90,117.23-135,161.66-56,735.10

Finding the Fourth Proportional to 90,117.23, 135,161.66 and 56,735.10

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Solution

The fourth proportional to 90,117.23, 135,161.66 and 56,735.10 is: 85,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,117.23 : 135,161.66 = 56,735.10 : x
  2. Step 2: Convert to fraction form
    90,117.23/135,161.66 = 56,735.10/x
  3. Step 3: Cross multiply
    90,117.23x = 135,161.66 × 56,735.10
  4. Step 4: Simplify right side
    90,117.23x = 7,668,410,012.59
  5. Step 5: Solve for x
    x = 7,668,410,012.59/90,117.23
  6. Step 6: Final answer
    x = 85,093.72

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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.