Home / 90,645.19-135,953.73-46,304.71

Finding the Fourth Proportional to 90,645.19, 135,953.73 and 46,304.71

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Solution

The fourth proportional to 90,645.19, 135,953.73 and 46,304.71 is: 69,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,645.19 : 135,953.73 = 46,304.71 : x
  2. Step 2: Convert to fraction form
    90,645.19/135,953.73 = 46,304.71/x
  3. Step 3: Cross multiply
    90,645.19x = 135,953.73 × 46,304.71
  4. Step 4: Simplify right side
    90,645.19x = 6,295,297,809.54
  5. Step 5: Solve for x
    x = 6,295,297,809.54/90,645.19
  6. Step 6: Final answer
    x = 69,449.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.