Home / 90,432.51-124,796.25-50,146.31

Finding the Fourth Proportional to 90,432.51, 124,796.25 and 50,146.31

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Solution

The fourth proportional to 90,432.51, 124,796.25 and 50,146.31 is: 69,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.51 : 124,796.25 = 50,146.31 : x
  2. Step 2: Convert to fraction form
    90,432.51/124,796.25 = 50,146.31/x
  3. Step 3: Cross multiply
    90,432.51x = 124,796.25 × 50,146.31
  4. Step 4: Simplify right side
    90,432.51x = 6,258,070,815.36
  5. Step 5: Solve for x
    x = 6,258,070,815.36/90,432.51
  6. Step 6: Final answer
    x = 69,201.56

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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.