Home / 250,154.14-345,212.94-135,432.86

Finding the Fourth Proportional to 250,154.14, 345,212.94 and 135,432.86

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Solution

The fourth proportional to 250,154.14, 345,212.94 and 135,432.86 is: 186,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,154.14 : 345,212.94 = 135,432.86 : x
  2. Step 2: Convert to fraction form
    250,154.14/345,212.94 = 135,432.86/x
  3. Step 3: Cross multiply
    250,154.14x = 345,212.94 × 135,432.86
  4. Step 4: Simplify right side
    250,154.14x = 46,753,175,096.04
  5. Step 5: Solve for x
    x = 46,753,175,096.04/250,154.14
  6. Step 6: Final answer
    x = 186,897.47

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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.