Home / 126,270.11-189,262.10-42,010.47

Finding the Fourth Proportional to 126,270.11, 189,262.10 and 42,010.47

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Solution

The fourth proportional to 126,270.11, 189,262.10 and 42,010.47 is: 62,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,270.11 : 189,262.10 = 42,010.47 : x
  2. Step 2: Convert to fraction form
    126,270.11/189,262.10 = 42,010.47/x
  3. Step 3: Cross multiply
    126,270.11x = 189,262.10 × 42,010.47
  4. Step 4: Simplify right side
    126,270.11x = 7,950,989,879.21
  5. Step 5: Solve for x
    x = 7,950,989,879.21/126,270.11
  6. Step 6: Final answer
    x = 62,968.11

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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.