Home / 188,655.39-260,381.40-108,136.83

Finding the Fourth Proportional to 188,655.39, 260,381.40 and 108,136.83

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Solution

The fourth proportional to 188,655.39, 260,381.40 and 108,136.83 is: 149,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,655.39 : 260,381.40 = 108,136.83 : x
  2. Step 2: Convert to fraction form
    188,655.39/260,381.40 = 108,136.83/x
  3. Step 3: Cross multiply
    188,655.39x = 260,381.40 × 108,136.83
  4. Step 4: Simplify right side
    188,655.39x = 28,156,819,186.96
  5. Step 5: Solve for x
    x = 28,156,819,186.96/188,655.39
  6. Step 6: Final answer
    x = 149,250.01

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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.