Home / 133,482.20-199,971.59-103,755.60

Finding the Fourth Proportional to 133,482.20, 199,971.59 and 103,755.60

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Solution

The fourth proportional to 133,482.20, 199,971.59 and 103,755.60 is: 155,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,482.20 : 199,971.59 = 103,755.60 : x
  2. Step 2: Convert to fraction form
    133,482.20/199,971.59 = 103,755.60/x
  3. Step 3: Cross multiply
    133,482.20x = 199,971.59 × 103,755.60
  4. Step 4: Simplify right side
    133,482.20x = 20,748,171,784.63
  5. Step 5: Solve for x
    x = 20,748,171,784.63/133,482.20
  6. Step 6: Final answer
    x = 155,437.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.