Home / 166,952.09-250,510.34-78,190.26

Finding the Fourth Proportional to 166,952.09, 250,510.34 and 78,190.26

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Solution

The fourth proportional to 166,952.09, 250,510.34 and 78,190.26 is: 117,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,952.09 : 250,510.34 = 78,190.26 : x
  2. Step 2: Convert to fraction form
    166,952.09/250,510.34 = 78,190.26/x
  3. Step 3: Cross multiply
    166,952.09x = 250,510.34 × 78,190.26
  4. Step 4: Simplify right side
    166,952.09x = 19,587,468,617.29
  5. Step 5: Solve for x
    x = 19,587,468,617.29/166,952.09
  6. Step 6: Final answer
    x = 117,323.89

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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.