Home / 230,950.12-318,641.55-134,135.32

Finding the Fourth Proportional to 230,950.12, 318,641.55 and 134,135.32

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Solution

The fourth proportional to 230,950.12, 318,641.55 and 134,135.32 is: 185,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,950.12 : 318,641.55 = 134,135.32 : x
  2. Step 2: Convert to fraction form
    230,950.12/318,641.55 = 134,135.32/x
  3. Step 3: Cross multiply
    230,950.12x = 318,641.55 × 134,135.32
  4. Step 4: Simplify right side
    230,950.12x = 42,741,086,274.55
  5. Step 5: Solve for x
    x = 42,741,086,274.55/230,950.12
  6. Step 6: Final answer
    x = 185,066.31

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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.