Home / 185,897.08-278,617.20-85,922.02

Finding the Fourth Proportional to 185,897.08, 278,617.20 and 85,922.02

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Solution

The fourth proportional to 185,897.08, 278,617.20 and 85,922.02 is: 128,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,897.08 : 278,617.20 = 85,922.02 : x
  2. Step 2: Convert to fraction form
    185,897.08/278,617.20 = 85,922.02/x
  3. Step 3: Cross multiply
    185,897.08x = 278,617.20 × 85,922.02
  4. Step 4: Simplify right side
    185,897.08x = 23,939,352,630.74
  5. Step 5: Solve for x
    x = 23,939,352,630.74/185,897.08
  6. Step 6: Final answer
    x = 128,777.45

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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.