Home / 217,074.36-325,500.48-90,680.13

Finding the Fourth Proportional to 217,074.36, 325,500.48 and 90,680.13

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Solution

The fourth proportional to 217,074.36, 325,500.48 and 90,680.13 is: 135,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,074.36 : 325,500.48 = 90,680.13 : x
  2. Step 2: Convert to fraction form
    217,074.36/325,500.48 = 90,680.13/x
  3. Step 3: Cross multiply
    217,074.36x = 325,500.48 × 90,680.13
  4. Step 4: Simplify right side
    217,074.36x = 29,516,425,841.46
  5. Step 5: Solve for x
    x = 29,516,425,841.46/217,074.36
  6. Step 6: Final answer
    x = 135,973.80

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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.