Home / 84,184.38-126,249.35-28,009.41

Finding the Fourth Proportional to 84,184.38, 126,249.35 and 28,009.41

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Solution

The fourth proportional to 84,184.38, 126,249.35 and 28,009.41 is: 42,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,184.38 : 126,249.35 = 28,009.41 : x
  2. Step 2: Convert to fraction form
    84,184.38/126,249.35 = 28,009.41/x
  3. Step 3: Cross multiply
    84,184.38x = 126,249.35 × 28,009.41
  4. Step 4: Simplify right side
    84,184.38x = 3,536,169,666.34
  5. Step 5: Solve for x
    x = 3,536,169,666.34/84,184.38
  6. Step 6: Final answer
    x = 42,005.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.