Home / 126,114.42-189,289.71-63,828.66

Finding the Fourth Proportional to 126,114.42, 189,289.71 and 63,828.66

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Solution

The fourth proportional to 126,114.42, 189,289.71 and 63,828.66 is: 95,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,114.42 : 189,289.71 = 63,828.66 : x
  2. Step 2: Convert to fraction form
    126,114.42/189,289.71 = 63,828.66/x
  3. Step 3: Cross multiply
    126,114.42x = 189,289.71 × 63,828.66
  4. Step 4: Simplify right side
    126,114.42x = 12,082,108,541.09
  5. Step 5: Solve for x
    x = 12,082,108,541.09/126,114.42
  6. Step 6: Final answer
    x = 95,802.75

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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.