Home / 101,604.36-140,282.51-63,422.07

Finding the Fourth Proportional to 101,604.36, 140,282.51 and 63,422.07

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Solution

The fourth proportional to 101,604.36, 140,282.51 and 63,422.07 is: 87,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,604.36 : 140,282.51 = 63,422.07 : x
  2. Step 2: Convert to fraction form
    101,604.36/140,282.51 = 63,422.07/x
  3. Step 3: Cross multiply
    101,604.36x = 140,282.51 × 63,422.07
  4. Step 4: Simplify right side
    101,604.36x = 8,897,007,169.00
  5. Step 5: Solve for x
    x = 8,897,007,169.00/101,604.36
  6. Step 6: Final answer
    x = 87,565.21

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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.