Home / 231,097.39-318,885.08-135,569.23

Finding the Fourth Proportional to 231,097.39, 318,885.08 and 135,569.23

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Solution

The fourth proportional to 231,097.39, 318,885.08 and 135,569.23 is: 187,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,097.39 : 318,885.08 = 135,569.23 : x
  2. Step 2: Convert to fraction form
    231,097.39/318,885.08 = 135,569.23/x
  3. Step 3: Cross multiply
    231,097.39x = 318,885.08 × 135,569.23
  4. Step 4: Simplify right side
    231,097.39x = 43,231,004,295.80
  5. Step 5: Solve for x
    x = 43,231,004,295.80/231,097.39
  6. Step 6: Final answer
    x = 187,068.34

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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.