Home / 245,171.58-367,730.02-85,219.87

Finding the Fourth Proportional to 245,171.58, 367,730.02 and 85,219.87

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Solution

The fourth proportional to 245,171.58, 367,730.02 and 85,219.87 is: 127,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,171.58 : 367,730.02 = 85,219.87 : x
  2. Step 2: Convert to fraction form
    245,171.58/367,730.02 = 85,219.87/x
  3. Step 3: Cross multiply
    245,171.58x = 367,730.02 × 85,219.87
  4. Step 4: Simplify right side
    245,171.58x = 31,337,904,499.50
  5. Step 5: Solve for x
    x = 31,337,904,499.50/245,171.58
  6. Step 6: Final answer
    x = 127,820.30

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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.