Home / 110,420.10-152,379.78-60,119.10

Finding the Fourth Proportional to 110,420.10, 152,379.78 and 60,119.10

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Solution

The fourth proportional to 110,420.10, 152,379.78 and 60,119.10 is: 82,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,420.10 : 152,379.78 = 60,119.10 : x
  2. Step 2: Convert to fraction form
    110,420.10/152,379.78 = 60,119.10/x
  3. Step 3: Cross multiply
    110,420.10x = 152,379.78 × 60,119.10
  4. Step 4: Simplify right side
    110,420.10x = 9,160,935,231.80
  5. Step 5: Solve for x
    x = 9,160,935,231.80/110,420.10
  6. Step 6: Final answer
    x = 82,964.38

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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.