Home / 142,681.73-214,031.82-47,908.10

Finding the Fourth Proportional to 142,681.73, 214,031.82 and 47,908.10

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Solution

The fourth proportional to 142,681.73, 214,031.82 and 47,908.10 is: 71,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,681.73 : 214,031.82 = 47,908.10 : x
  2. Step 2: Convert to fraction form
    142,681.73/214,031.82 = 47,908.10/x
  3. Step 3: Cross multiply
    142,681.73x = 214,031.82 × 47,908.10
  4. Step 4: Simplify right side
    142,681.73x = 10,253,857,835.74
  5. Step 5: Solve for x
    x = 10,253,857,835.74/142,681.73
  6. Step 6: Final answer
    x = 71,865.25

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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.