Home / 121,495.52-182,256.26-51,381.92

Finding the Fourth Proportional to 121,495.52, 182,256.26 and 51,381.92

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Solution

The fourth proportional to 121,495.52, 182,256.26 and 51,381.92 is: 77,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,495.52 : 182,256.26 = 51,381.92 : x
  2. Step 2: Convert to fraction form
    121,495.52/182,256.26 = 51,381.92/x
  3. Step 3: Cross multiply
    121,495.52x = 182,256.26 × 51,381.92
  4. Step 4: Simplify right side
    121,495.52x = 9,364,676,570.82
  5. Step 5: Solve for x
    x = 9,364,676,570.82/121,495.52
  6. Step 6: Final answer
    x = 77,078.37

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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.