Home / 159,421.88-239,172.12-47,101.52

Finding the Fourth Proportional to 159,421.88, 239,172.12 and 47,101.52

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Solution

The fourth proportional to 159,421.88, 239,172.12 and 47,101.52 is: 70,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,421.88 : 239,172.12 = 47,101.52 : x
  2. Step 2: Convert to fraction form
    159,421.88/239,172.12 = 47,101.52/x
  3. Step 3: Cross multiply
    159,421.88x = 239,172.12 × 47,101.52
  4. Step 4: Simplify right side
    159,421.88x = 11,265,370,393.62
  5. Step 5: Solve for x
    x = 11,265,370,393.62/159,421.88
  6. Step 6: Final answer
    x = 70,663.89

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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.