Home / 155,553.38-214,549.08-117,314.54

Finding the Fourth Proportional to 155,553.38, 214,549.08 and 117,314.54

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Solution

The fourth proportional to 155,553.38, 214,549.08 and 117,314.54 is: 161,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,553.38 : 214,549.08 = 117,314.54 : x
  2. Step 2: Convert to fraction form
    155,553.38/214,549.08 = 117,314.54/x
  3. Step 3: Cross multiply
    155,553.38x = 214,549.08 × 117,314.54
  4. Step 4: Simplify right side
    155,553.38x = 25,169,726,627.62
  5. Step 5: Solve for x
    x = 25,169,726,627.62/155,553.38
  6. Step 6: Final answer
    x = 161,807.65

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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.