Home / 142,841.64-214,266.51-54,078.60

Finding the Fourth Proportional to 142,841.64, 214,266.51 and 54,078.60

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Solution

The fourth proportional to 142,841.64, 214,266.51 and 54,078.60 is: 81,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,841.64 : 214,266.51 = 54,078.60 : x
  2. Step 2: Convert to fraction form
    142,841.64/214,266.51 = 54,078.60/x
  3. Step 3: Cross multiply
    142,841.64x = 214,266.51 × 54,078.60
  4. Step 4: Simplify right side
    142,841.64x = 11,587,232,887.69
  5. Step 5: Solve for x
    x = 11,587,232,887.69/142,841.64
  6. Step 6: Final answer
    x = 81,119.43

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1.5x scale

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.