Home / 103,863.06-143,284.14-63,560.70

Finding the Fourth Proportional to 103,863.06, 143,284.14 and 63,560.70

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Solution

The fourth proportional to 103,863.06, 143,284.14 and 63,560.70 is: 87,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,863.06 : 143,284.14 = 63,560.70 : x
  2. Step 2: Convert to fraction form
    103,863.06/143,284.14 = 63,560.70/x
  3. Step 3: Cross multiply
    103,863.06x = 143,284.14 × 63,560.70
  4. Step 4: Simplify right side
    103,863.06x = 9,107,240,237.30
  5. Step 5: Solve for x
    x = 9,107,240,237.30/103,863.06
  6. Step 6: Final answer
    x = 87,685.08

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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.