Home / 90,233.58-124,237.02-79,470.84

Finding the Fourth Proportional to 90,233.58, 124,237.02 and 79,470.84

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Solution

The fourth proportional to 90,233.58, 124,237.02 and 79,470.84 is: 109,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,233.58 : 124,237.02 = 79,470.84 : x
  2. Step 2: Convert to fraction form
    90,233.58/124,237.02 = 79,470.84/x
  3. Step 3: Cross multiply
    90,233.58x = 124,237.02 × 79,470.84
  4. Step 4: Simplify right side
    90,233.58x = 9,873,220,338.50
  5. Step 5: Solve for x
    x = 9,873,220,338.50/90,233.58
  6. Step 6: Final answer
    x = 109,418.47

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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.