Home / 121,277.40-181,851.30-51,077.40

Finding the Fourth Proportional to 121,277.40, 181,851.30 and 51,077.40

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Solution

The fourth proportional to 121,277.40, 181,851.30 and 51,077.40 is: 76,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277.40 : 181,851.30 = 51,077.40 : x
  2. Step 2: Convert to fraction form
    121,277.40/181,851.30 = 51,077.40/x
  3. Step 3: Cross multiply
    121,277.40x = 181,851.30 × 51,077.40
  4. Step 4: Simplify right side
    121,277.40x = 9,288,491,590.62
  5. Step 5: Solve for x
    x = 9,288,491,590.62/121,277.40
  6. Step 6: Final answer
    x = 76,588.81

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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.