Home / 160,975.47-222,147-100,581.14

Finding the Fourth Proportional to 160,975.47, 222,147 and 100,581.14

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Solution

The fourth proportional to 160,975.47, 222,147 and 100,581.14 is: 138,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,975.47 : 222,147 = 100,581.14 : x
  2. Step 2: Convert to fraction form
    160,975.47/222,147 = 100,581.14/x
  3. Step 3: Cross multiply
    160,975.47x = 222,147 × 100,581.14
  4. Step 4: Simplify right side
    160,975.47x = 22,343,797,396.85
  5. Step 5: Solve for x
    x = 22,343,797,396.85/160,975.47
  6. Step 6: Final answer
    x = 138,802.50

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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.