Home / 140,795.52-194,298.52-77,133.36

Finding the Fourth Proportional to 140,795.52, 194,298.52 and 77,133.36

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Solution

The fourth proportional to 140,795.52, 194,298.52 and 77,133.36 is: 106,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,795.52 : 194,298.52 = 77,133.36 : x
  2. Step 2: Convert to fraction form
    140,795.52/194,298.52 = 77,133.36/x
  3. Step 3: Cross multiply
    140,795.52x = 194,298.52 × 77,133.36
  4. Step 4: Simplify right side
    140,795.52x = 14,986,897,690.63
  5. Step 5: Solve for x
    x = 14,986,897,690.63/140,795.52
  6. Step 6: Final answer
    x = 106,444.42

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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.