Home / 67,148.56-100,724-22,776.46

Finding the Fourth Proportional to 67,148.56, 100,724 and 22,776.46

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Solution

The fourth proportional to 67,148.56, 100,724 and 22,776.46 is: 34,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,148.56 : 100,724 = 22,776.46 : x
  2. Step 2: Convert to fraction form
    67,148.56/100,724 = 22,776.46/x
  3. Step 3: Cross multiply
    67,148.56x = 100,724 × 22,776.46
  4. Step 4: Simplify right side
    67,148.56x = 2,294,136,157.04
  5. Step 5: Solve for x
    x = 2,294,136,157.04/67,148.56
  6. Step 6: Final answer
    x = 34,165.08

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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.