Home / 210,177.17-315,433.87-110,396.20

Finding the Fourth Proportional to 210,177.17, 315,433.87 and 110,396.20

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Solution

The fourth proportional to 210,177.17, 315,433.87 and 110,396.20 is: 165,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,177.17 : 315,433.87 = 110,396.20 : x
  2. Step 2: Convert to fraction form
    210,177.17/315,433.87 = 110,396.20/x
  3. Step 3: Cross multiply
    210,177.17x = 315,433.87 × 110,396.20
  4. Step 4: Simplify right side
    210,177.17x = 34,822,700,599.29
  5. Step 5: Solve for x
    x = 34,822,700,599.29/210,177.17
  6. Step 6: Final answer
    x = 165,682.60

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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.