Home / 142,869.78-214,235.40-43,011.36

Finding the Fourth Proportional to 142,869.78, 214,235.40 and 43,011.36

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Solution

The fourth proportional to 142,869.78, 214,235.40 and 43,011.36 is: 64,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,869.78 : 214,235.40 = 43,011.36 : x
  2. Step 2: Convert to fraction form
    142,869.78/214,235.40 = 43,011.36/x
  3. Step 3: Cross multiply
    142,869.78x = 214,235.40 × 43,011.36
  4. Step 4: Simplify right side
    142,869.78x = 9,214,555,914.14
  5. Step 5: Solve for x
    x = 9,214,555,914.14/142,869.78
  6. Step 6: Final answer
    x = 64,496.19

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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.