Home / 142,749.04-214,126.08-54,044.32

Finding the Fourth Proportional to 142,749.04, 214,126.08 and 54,044.32

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Solution

The fourth proportional to 142,749.04, 214,126.08 and 54,044.32 is: 81,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,749.04 : 214,126.08 = 54,044.32 : x
  2. Step 2: Convert to fraction form
    142,749.04/214,126.08 = 54,044.32/x
  3. Step 3: Cross multiply
    142,749.04x = 214,126.08 × 54,044.32
  4. Step 4: Simplify right side
    142,749.04x = 11,572,298,387.87
  5. Step 5: Solve for x
    x = 11,572,298,387.87/142,749.04
  6. Step 6: Final answer
    x = 81,067.43

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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.