Home / 243,719.70-365,688.90-110,531.40

Finding the Fourth Proportional to 243,719.70, 365,688.90 and 110,531.40

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Solution

The fourth proportional to 243,719.70, 365,688.90 and 110,531.40 is: 165,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,719.70 : 365,688.90 = 110,531.40 : x
  2. Step 2: Convert to fraction form
    243,719.70/365,688.90 = 110,531.40/x
  3. Step 3: Cross multiply
    243,719.70x = 365,688.90 × 110,531.40
  4. Step 4: Simplify right side
    243,719.70x = 40,420,106,081.46
  5. Step 5: Solve for x
    x = 40,420,106,081.46/243,719.70
  6. Step 6: Final answer
    x = 165,846.69

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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.