Home / 162,411.69-243,556.88-55,765.38

Finding the Fourth Proportional to 162,411.69, 243,556.88 and 55,765.38

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Solution

The fourth proportional to 162,411.69, 243,556.88 and 55,765.38 is: 83,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,411.69 : 243,556.88 = 55,765.38 : x
  2. Step 2: Convert to fraction form
    162,411.69/243,556.88 = 55,765.38/x
  3. Step 3: Cross multiply
    162,411.69x = 243,556.88 × 55,765.38
  4. Step 4: Simplify right side
    162,411.69x = 13,582,041,685.99
  5. Step 5: Solve for x
    x = 13,582,041,685.99/162,411.69
  6. Step 6: Final answer
    x = 83,627.24

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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.