Home / 189,397.14-261,382.80-108,852.76

Finding the Fourth Proportional to 189,397.14, 261,382.80 and 108,852.76

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Solution

The fourth proportional to 189,397.14, 261,382.80 and 108,852.76 is: 150,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,397.14 : 261,382.80 = 108,852.76 : x
  2. Step 2: Convert to fraction form
    189,397.14/261,382.80 = 108,852.76/x
  3. Step 3: Cross multiply
    189,397.14x = 261,382.80 × 108,852.76
  4. Step 4: Simplify right side
    189,397.14x = 28,452,239,196.53
  5. Step 5: Solve for x
    x = 28,452,239,196.53/189,397.14
  6. Step 6: Final answer
    x = 150,225.28

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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.