Home / 142,929.36-214,397.28-54,224.64

Finding the Fourth Proportional to 142,929.36, 214,397.28 and 54,224.64

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Solution

The fourth proportional to 142,929.36, 214,397.28 and 54,224.64 is: 81,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,929.36 : 214,397.28 = 54,224.64 : x
  2. Step 2: Convert to fraction form
    142,929.36/214,397.28 = 54,224.64/x
  3. Step 3: Cross multiply
    142,929.36x = 214,397.28 × 54,224.64
  4. Step 4: Simplify right side
    142,929.36x = 11,625,615,324.98
  5. Step 5: Solve for x
    x = 11,625,615,324.98/142,929.36
  6. Step 6: Final answer
    x = 81,338.19

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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.