Home / 125,550.98-188,278.27-53,458.18

Finding the Fourth Proportional to 125,550.98, 188,278.27 and 53,458.18

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Solution

The fourth proportional to 125,550.98, 188,278.27 and 53,458.18 is: 80,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,550.98 : 188,278.27 = 53,458.18 : x
  2. Step 2: Convert to fraction form
    125,550.98/188,278.27 = 53,458.18/x
  3. Step 3: Cross multiply
    125,550.98x = 188,278.27 × 53,458.18
  4. Step 4: Simplify right side
    125,550.98x = 10,065,013,043.41
  5. Step 5: Solve for x
    x = 10,065,013,043.41/125,550.98
  6. Step 6: Final answer
    x = 80,166.74

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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.