Home / 142,742.40-214,063.20-49,226.40

Finding the Fourth Proportional to 142,742.40, 214,063.20 and 49,226.40

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Solution

The fourth proportional to 142,742.40, 214,063.20 and 49,226.40 is: 73,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,742.40 : 214,063.20 = 49,226.40 : x
  2. Step 2: Convert to fraction form
    142,742.40/214,063.20 = 49,226.40/x
  3. Step 3: Cross multiply
    142,742.40x = 214,063.20 × 49,226.40
  4. Step 4: Simplify right side
    142,742.40x = 10,537,560,708.48
  5. Step 5: Solve for x
    x = 10,537,560,708.48/142,742.40
  6. Step 6: Final answer
    x = 73,822.22

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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.