Home / 185,031.40-277,348.38-79,899.88

Finding the Fourth Proportional to 185,031.40, 277,348.38 and 79,899.88

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Solution

The fourth proportional to 185,031.40, 277,348.38 and 79,899.88 is: 119,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,031.40 : 277,348.38 = 79,899.88 : x
  2. Step 2: Convert to fraction form
    185,031.40/277,348.38 = 79,899.88/x
  3. Step 3: Cross multiply
    185,031.40x = 277,348.38 × 79,899.88
  4. Step 4: Simplify right side
    185,031.40x = 22,160,102,280.19
  5. Step 5: Solve for x
    x = 22,160,102,280.19/185,031.40
  6. Step 6: Final answer
    x = 119,764.01

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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.