Home / 126,349.08-189,435.83-47,442.12

Finding the Fourth Proportional to 126,349.08, 189,435.83 and 47,442.12

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Solution

The fourth proportional to 126,349.08, 189,435.83 and 47,442.12 is: 71,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,349.08 : 189,435.83 = 47,442.12 : x
  2. Step 2: Convert to fraction form
    126,349.08/189,435.83 = 47,442.12/x
  3. Step 3: Cross multiply
    126,349.08x = 189,435.83 × 47,442.12
  4. Step 4: Simplify right side
    126,349.08x = 8,987,237,379.16
  5. Step 5: Solve for x
    x = 8,987,237,379.16/126,349.08
  6. Step 6: Final answer
    x = 71,130.22

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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.