Home / 130,789.98-196,166.25-42,031.80

Finding the Fourth Proportional to 130,789.98, 196,166.25 and 42,031.80

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Solution

The fourth proportional to 130,789.98, 196,166.25 and 42,031.80 is: 63,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,789.98 : 196,166.25 = 42,031.80 : x
  2. Step 2: Convert to fraction form
    130,789.98/196,166.25 = 42,031.80/x
  3. Step 3: Cross multiply
    130,789.98x = 196,166.25 × 42,031.80
  4. Step 4: Simplify right side
    130,789.98x = 8,245,220,586.75
  5. Step 5: Solve for x
    x = 8,245,220,586.75/130,789.98
  6. Step 6: Final answer
    x = 63,041.68

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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.