Home / 90,182.97-124,444.65-49,896.09

Finding the Fourth Proportional to 90,182.97, 124,444.65 and 49,896.09

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Solution

The fourth proportional to 90,182.97, 124,444.65 and 49,896.09 is: 68,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,182.97 : 124,444.65 = 49,896.09 : x
  2. Step 2: Convert to fraction form
    90,182.97/124,444.65 = 49,896.09/x
  3. Step 3: Cross multiply
    90,182.97x = 124,444.65 × 49,896.09
  4. Step 4: Simplify right side
    90,182.97x = 6,209,301,456.42
  5. Step 5: Solve for x
    x = 6,209,301,456.42/90,182.97
  6. Step 6: Final answer
    x = 68,852.26

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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.