Home / 94,147.71-129,923.34-51,126.83

Finding the Fourth Proportional to 94,147.71, 129,923.34 and 51,126.83

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Solution

The fourth proportional to 94,147.71, 129,923.34 and 51,126.83 is: 70,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,147.71 : 129,923.34 = 51,126.83 : x
  2. Step 2: Convert to fraction form
    94,147.71/129,923.34 = 51,126.83/x
  3. Step 3: Cross multiply
    94,147.71x = 129,923.34 × 51,126.83
  4. Step 4: Simplify right side
    94,147.71x = 6,642,567,739.78
  5. Step 5: Solve for x
    x = 6,642,567,739.78/94,147.71
  6. Step 6: Final answer
    x = 70,554.75

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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.