Home / 188,800.56-260,535.15-103,901.22

Finding the Fourth Proportional to 188,800.56, 260,535.15 and 103,901.22

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Solution

The fourth proportional to 188,800.56, 260,535.15 and 103,901.22 is: 143,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,800.56 : 260,535.15 = 103,901.22 : x
  2. Step 2: Convert to fraction form
    188,800.56/260,535.15 = 103,901.22/x
  3. Step 3: Cross multiply
    188,800.56x = 260,535.15 × 103,901.22
  4. Step 4: Simplify right side
    188,800.56x = 27,069,919,937.88
  5. Step 5: Solve for x
    x = 27,069,919,937.88/188,800.56
  6. Step 6: Final answer
    x = 143,378.39

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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.