Home / 125,378.20-188,068.51-31,883.95

Finding the Fourth Proportional to 125,378.20, 188,068.51 and 31,883.95

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Solution

The fourth proportional to 125,378.20, 188,068.51 and 31,883.95 is: 47,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,378.20 : 188,068.51 = 31,883.95 : x
  2. Step 2: Convert to fraction form
    125,378.20/188,068.51 = 31,883.95/x
  3. Step 3: Cross multiply
    125,378.20x = 188,068.51 × 31,883.95
  4. Step 4: Simplify right side
    125,378.20x = 5,996,366,029.07
  5. Step 5: Solve for x
    x = 5,996,366,029.07/125,378.20
  6. Step 6: Final answer
    x = 47,826.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.