Home / 134,698.58-185,842.82-78,098.66

Finding the Fourth Proportional to 134,698.58, 185,842.82 and 78,098.66

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Solution

The fourth proportional to 134,698.58, 185,842.82 and 78,098.66 is: 107,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,698.58 : 185,842.82 = 78,098.66 : x
  2. Step 2: Convert to fraction form
    134,698.58/185,842.82 = 78,098.66/x
  3. Step 3: Cross multiply
    134,698.58x = 185,842.82 × 78,098.66
  4. Step 4: Simplify right side
    134,698.58x = 14,514,075,212.62
  5. Step 5: Solve for x
    x = 14,514,075,212.62/134,698.58
  6. Step 6: Final answer
    x = 107,752.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.