Home / 239,739.69-359,681.09-71,265.63

Finding the Fourth Proportional to 239,739.69, 359,681.09 and 71,265.63

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Solution

The fourth proportional to 239,739.69, 359,681.09 and 71,265.63 is: 106,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,739.69 : 359,681.09 = 71,265.63 : x
  2. Step 2: Convert to fraction form
    239,739.69/359,681.09 = 71,265.63/x
  3. Step 3: Cross multiply
    239,739.69x = 359,681.09 × 71,265.63
  4. Step 4: Simplify right side
    239,739.69x = 25,632,899,121.61
  5. Step 5: Solve for x
    x = 25,632,899,121.61/239,739.69
  6. Step 6: Final answer
    x = 106,919.71

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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.