Home / 117,400.15-175,789.18-61,879.51

Finding the Fourth Proportional to 117,400.15, 175,789.18 and 61,879.51

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Solution

The fourth proportional to 117,400.15, 175,789.18 and 61,879.51 is: 92,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,400.15 : 175,789.18 = 61,879.51 : x
  2. Step 2: Convert to fraction form
    117,400.15/175,789.18 = 61,879.51/x
  3. Step 3: Cross multiply
    117,400.15x = 175,789.18 × 61,879.51
  4. Step 4: Simplify right side
    117,400.15x = 10,877,748,321.70
  5. Step 5: Solve for x
    x = 10,877,748,321.70/117,400.15
  6. Step 6: Final answer
    x = 92,655.32

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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.