Home / 147,780.37-221,701.70-47,932.80

Finding the Fourth Proportional to 147,780.37, 221,701.70 and 47,932.80

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Solution

The fourth proportional to 147,780.37, 221,701.70 and 47,932.80 is: 71,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,780.37 : 221,701.70 = 47,932.80 : x
  2. Step 2: Convert to fraction form
    147,780.37/221,701.70 = 47,932.80/x
  3. Step 3: Cross multiply
    147,780.37x = 221,701.70 × 47,932.80
  4. Step 4: Simplify right side
    147,780.37x = 10,626,783,245.76
  5. Step 5: Solve for x
    x = 10,626,783,245.76/147,780.37
  6. Step 6: Final answer
    x = 71,909.30

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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.