Home / 185,320.71-277,790.11-72,955.35

Finding the Fourth Proportional to 185,320.71, 277,790.11 and 72,955.35

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Solution

The fourth proportional to 185,320.71, 277,790.11 and 72,955.35 is: 109,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,320.71 : 277,790.11 = 72,955.35 : x
  2. Step 2: Convert to fraction form
    185,320.71/277,790.11 = 72,955.35/x
  3. Step 3: Cross multiply
    185,320.71x = 277,790.11 × 72,955.35
  4. Step 4: Simplify right side
    185,320.71x = 20,266,274,519.20
  5. Step 5: Solve for x
    x = 20,266,274,519.20/185,320.71
  6. Step 6: Final answer
    x = 109,357.85

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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.