Home / 90,177.22-124,436.73-49,890.34

Finding the Fourth Proportional to 90,177.22, 124,436.73 and 49,890.34

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Solution

The fourth proportional to 90,177.22, 124,436.73 and 49,890.34 is: 68,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,177.22 : 124,436.73 = 49,890.34 : x
  2. Step 2: Convert to fraction form
    90,177.22/124,436.73 = 49,890.34/x
  3. Step 3: Cross multiply
    90,177.22x = 124,436.73 × 49,890.34
  4. Step 4: Simplify right side
    90,177.22x = 6,208,190,768.19
  5. Step 5: Solve for x
    x = 6,208,190,768.19/90,177.22
  6. Step 6: Final answer
    x = 68,844.34

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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.