Home / 142,871.04-214,224.21-54,067.77

Finding the Fourth Proportional to 142,871.04, 214,224.21 and 54,067.77

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Solution

The fourth proportional to 142,871.04, 214,224.21 and 54,067.77 is: 81,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,871.04 : 214,224.21 = 54,067.77 : x
  2. Step 2: Convert to fraction form
    142,871.04/214,224.21 = 54,067.77/x
  3. Step 3: Cross multiply
    142,871.04x = 214,224.21 × 54,067.77
  4. Step 4: Simplify right side
    142,871.04x = 11,582,625,314.71
  5. Step 5: Solve for x
    x = 11,582,625,314.71/142,871.04
  6. Step 6: Final answer
    x = 81,070.49

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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.