Home / 155,678.28-214,772.34-114,939.96

Finding the Fourth Proportional to 155,678.28, 214,772.34 and 114,939.96

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Solution

The fourth proportional to 155,678.28, 214,772.34 and 114,939.96 is: 158,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,678.28 : 214,772.34 = 114,939.96 : x
  2. Step 2: Convert to fraction form
    155,678.28/214,772.34 = 114,939.96/x
  3. Step 3: Cross multiply
    155,678.28x = 214,772.34 × 114,939.96
  4. Step 4: Simplify right side
    155,678.28x = 24,685,924,168.71
  5. Step 5: Solve for x
    x = 24,685,924,168.71/155,678.28
  6. Step 6: Final answer
    x = 158,570.12

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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.