Home / 99,947.98-137,927.88-54,625.95

Finding the Fourth Proportional to 99,947.98, 137,927.88 and 54,625.95

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Solution

The fourth proportional to 99,947.98, 137,927.88 and 54,625.95 is: 75,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,947.98 : 137,927.88 = 54,625.95 : x
  2. Step 2: Convert to fraction form
    99,947.98/137,927.88 = 54,625.95/x
  3. Step 3: Cross multiply
    99,947.98x = 137,927.88 × 54,625.95
  4. Step 4: Simplify right side
    99,947.98x = 7,534,441,476.49
  5. Step 5: Solve for x
    x = 7,534,441,476.49/99,947.98
  6. Step 6: Final answer
    x = 75,383.63

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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.