Home / 188,710.23-260,426.35-108,153.20

Finding the Fourth Proportional to 188,710.23, 260,426.35 and 108,153.20

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Solution

The fourth proportional to 188,710.23, 260,426.35 and 108,153.20 is: 149,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,710.23 : 260,426.35 = 108,153.20 : x
  2. Step 2: Convert to fraction form
    188,710.23/260,426.35 = 108,153.20/x
  3. Step 3: Cross multiply
    188,710.23x = 260,426.35 × 108,153.20
  4. Step 4: Simplify right side
    188,710.23x = 28,165,941,544.31
  5. Step 5: Solve for x
    x = 28,165,941,544.31/188,710.23
  6. Step 6: Final answer
    x = 149,254.98

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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.