Home / 126,005.25-189,011.52-32,511

Finding the Fourth Proportional to 126,005.25, 189,011.52 and 32,511

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Solution

The fourth proportional to 126,005.25, 189,011.52 and 32,511 is: 48,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,005.25 : 189,011.52 = 32,511 : x
  2. Step 2: Convert to fraction form
    126,005.25/189,011.52 = 32,511/x
  3. Step 3: Cross multiply
    126,005.25x = 189,011.52 × 32,511
  4. Step 4: Simplify right side
    126,005.25x = 6,144,953,526.72
  5. Step 5: Solve for x
    x = 6,144,953,526.72/126,005.25
  6. Step 6: Final answer
    x = 48,767.44

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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.