Home / 155,376.02-214,425.42-91,713.80

Finding the Fourth Proportional to 155,376.02, 214,425.42 and 91,713.80

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Solution

The fourth proportional to 155,376.02, 214,425.42 and 91,713.80 is: 126,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,376.02 : 214,425.42 = 91,713.80 : x
  2. Step 2: Convert to fraction form
    155,376.02/214,425.42 = 91,713.80/x
  3. Step 3: Cross multiply
    155,376.02x = 214,425.42 × 91,713.80
  4. Step 4: Simplify right side
    155,376.02x = 19,665,770,084.80
  5. Step 5: Solve for x
    x = 19,665,770,084.80/155,376.02
  6. Step 6: Final answer
    x = 126,568.89

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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.