Home / 90,425.67-124,794.47-50,147.30

Finding the Fourth Proportional to 90,425.67, 124,794.47 and 50,147.30

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Solution

The fourth proportional to 90,425.67, 124,794.47 and 50,147.30 is: 69,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,425.67 : 124,794.47 = 50,147.30 : x
  2. Step 2: Convert to fraction form
    90,425.67/124,794.47 = 50,147.30/x
  3. Step 3: Cross multiply
    90,425.67x = 124,794.47 × 50,147.30
  4. Step 4: Simplify right side
    90,425.67x = 6,258,106,162.79
  5. Step 5: Solve for x
    x = 6,258,106,162.79/90,425.67
  6. Step 6: Final answer
    x = 69,207.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.