Home / 188,525.20-260,158.14-103,641.64

Finding the Fourth Proportional to 188,525.20, 260,158.14 and 103,641.64

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Solution

The fourth proportional to 188,525.20, 260,158.14 and 103,641.64 is: 143,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,525.20 : 260,158.14 = 103,641.64 : x
  2. Step 2: Convert to fraction form
    188,525.20/260,158.14 = 103,641.64/x
  3. Step 3: Cross multiply
    188,525.20x = 260,158.14 × 103,641.64
  4. Step 4: Simplify right side
    188,525.20x = 26,963,216,288.95
  5. Step 5: Solve for x
    x = 26,963,216,288.95/188,525.20
  6. Step 6: Final answer
    x = 143,021.82

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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.