Home / 162,080.20-243,139.70-49,745.72

Finding the Fourth Proportional to 162,080.20, 243,139.70 and 49,745.72

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Solution

The fourth proportional to 162,080.20, 243,139.70 and 49,745.72 is: 74,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,080.20 : 243,139.70 = 49,745.72 : x
  2. Step 2: Convert to fraction form
    162,080.20/243,139.70 = 49,745.72/x
  3. Step 3: Cross multiply
    162,080.20x = 243,139.70 × 49,745.72
  4. Step 4: Simplify right side
    162,080.20x = 12,095,159,437.08
  5. Step 5: Solve for x
    x = 12,095,159,437.08/162,080.20
  6. Step 6: Final answer
    x = 74,624.53

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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.