Home / 130,823.80-196,235.70-47,750.20

Finding the Fourth Proportional to 130,823.80, 196,235.70 and 47,750.20

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Solution

The fourth proportional to 130,823.80, 196,235.70 and 47,750.20 is: 71,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,823.80 : 196,235.70 = 47,750.20 : x
  2. Step 2: Convert to fraction form
    130,823.80/196,235.70 = 47,750.20/x
  3. Step 3: Cross multiply
    130,823.80x = 196,235.70 × 47,750.20
  4. Step 4: Simplify right side
    130,823.80x = 9,370,293,922.14
  5. Step 5: Solve for x
    x = 9,370,293,922.14/130,823.80
  6. Step 6: Final answer
    x = 71,625.30

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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.