Home / 170,109.69-234,672.84-102,008.55

Finding the Fourth Proportional to 170,109.69, 234,672.84 and 102,008.55

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Solution

The fourth proportional to 170,109.69, 234,672.84 and 102,008.55 is: 140,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,109.69 : 234,672.84 = 102,008.55 : x
  2. Step 2: Convert to fraction form
    170,109.69/234,672.84 = 102,008.55/x
  3. Step 3: Cross multiply
    170,109.69x = 234,672.84 × 102,008.55
  4. Step 4: Simplify right side
    170,109.69x = 23,938,636,132.78
  5. Step 5: Solve for x
    x = 23,938,636,132.78/170,109.69
  6. Step 6: Final answer
    x = 140,724.71

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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.