Home / 238,107.66-328,578.03-130,677.90

Finding the Fourth Proportional to 238,107.66, 328,578.03 and 130,677.90

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Solution

The fourth proportional to 238,107.66, 328,578.03 and 130,677.90 is: 180,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,107.66 : 328,578.03 = 130,677.90 : x
  2. Step 2: Convert to fraction form
    238,107.66/328,578.03 = 130,677.90/x
  3. Step 3: Cross multiply
    238,107.66x = 328,578.03 × 130,677.90
  4. Step 4: Simplify right side
    238,107.66x = 42,937,886,946.54
  5. Step 5: Solve for x
    x = 42,937,886,946.54/238,107.66
  6. Step 6: Final answer
    x = 180,329.72

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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.