Home / 140,675.48-194,134.58-86,959.12

Finding the Fourth Proportional to 140,675.48, 194,134.58 and 86,959.12

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Solution

The fourth proportional to 140,675.48, 194,134.58 and 86,959.12 is: 120,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,675.48 : 194,134.58 = 86,959.12 : x
  2. Step 2: Convert to fraction form
    140,675.48/194,134.58 = 86,959.12/x
  3. Step 3: Cross multiply
    140,675.48x = 194,134.58 × 86,959.12
  4. Step 4: Simplify right side
    140,675.48x = 16,881,772,238.37
  5. Step 5: Solve for x
    x = 16,881,772,238.37/140,675.48
  6. Step 6: Final answer
    x = 120,005.08

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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.