Home / 107,416.72-161,113.74-28,538.92

Finding the Fourth Proportional to 107,416.72, 161,113.74 and 28,538.92

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Solution

The fourth proportional to 107,416.72, 161,113.74 and 28,538.92 is: 42,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,416.72 : 161,113.74 = 28,538.92 : x
  2. Step 2: Convert to fraction form
    107,416.72/161,113.74 = 28,538.92/x
  3. Step 3: Cross multiply
    107,416.72x = 161,113.74 × 28,538.92
  4. Step 4: Simplify right side
    107,416.72x = 4,598,012,136.76
  5. Step 5: Solve for x
    x = 4,598,012,136.76/107,416.72
  6. Step 6: Final answer
    x = 42,805.37

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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.