Home / 145,757.12-199,833.74-143,100.32

Finding the Fourth Proportional to 145,757.12, 199,833.74 and 143,100.32

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Solution

The fourth proportional to 145,757.12, 199,833.74 and 143,100.32 is: 196,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,757.12 : 199,833.74 = 143,100.32 : x
  2. Step 2: Convert to fraction form
    145,757.12/199,833.74 = 143,100.32/x
  3. Step 3: Cross multiply
    145,757.12x = 199,833.74 × 143,100.32
  4. Step 4: Simplify right side
    145,757.12x = 28,596,270,962.75
  5. Step 5: Solve for x
    x = 28,596,270,962.75/145,757.12
  6. Step 6: Final answer
    x = 196,191.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.