Home / 142,044.57-213,011.48-53,249.63

Finding the Fourth Proportional to 142,044.57, 213,011.48 and 53,249.63

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Solution

The fourth proportional to 142,044.57, 213,011.48 and 53,249.63 is: 79,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,044.57 : 213,011.48 = 53,249.63 : x
  2. Step 2: Convert to fraction form
    142,044.57/213,011.48 = 53,249.63/x
  3. Step 3: Cross multiply
    142,044.57x = 213,011.48 × 53,249.63
  4. Step 4: Simplify right side
    142,044.57x = 11,342,781,563.82
  5. Step 5: Solve for x
    x = 11,342,781,563.82/142,044.57
  6. Step 6: Final answer
    x = 79,853.68

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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.