Home / 231,041.24-318,858.36-140,376.32

Finding the Fourth Proportional to 231,041.24, 318,858.36 and 140,376.32

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Solution

The fourth proportional to 231,041.24, 318,858.36 and 140,376.32 is: 193,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,041.24 : 318,858.36 = 140,376.32 : x
  2. Step 2: Convert to fraction form
    231,041.24/318,858.36 = 140,376.32/x
  3. Step 3: Cross multiply
    231,041.24x = 318,858.36 × 140,376.32
  4. Step 4: Simplify right side
    231,041.24x = 44,760,163,178.04
  5. Step 5: Solve for x
    x = 44,760,163,178.04/231,041.24
  6. Step 6: Final answer
    x = 193,732.35

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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.