Home / 107,231.08-147,996.63-59,499.80

Finding the Fourth Proportional to 107,231.08, 147,996.63 and 59,499.80

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Solution

The fourth proportional to 107,231.08, 147,996.63 and 59,499.80 is: 82,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,231.08 : 147,996.63 = 59,499.80 : x
  2. Step 2: Convert to fraction form
    107,231.08/147,996.63 = 59,499.80/x
  3. Step 3: Cross multiply
    107,231.08x = 147,996.63 × 59,499.80
  4. Step 4: Simplify right side
    107,231.08x = 8,805,770,106.92
  5. Step 5: Solve for x
    x = 8,805,770,106.92/107,231.08
  6. Step 6: Final answer
    x = 82,119.57

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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.