Home / 147,799.89-221,680.40-41,190.93

Finding the Fourth Proportional to 147,799.89, 221,680.40 and 41,190.93

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Solution

The fourth proportional to 147,799.89, 221,680.40 and 41,190.93 is: 61,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,799.89 : 221,680.40 = 41,190.93 : x
  2. Step 2: Convert to fraction form
    147,799.89/221,680.40 = 41,190.93/x
  3. Step 3: Cross multiply
    147,799.89x = 221,680.40 × 41,190.93
  4. Step 4: Simplify right side
    147,799.89x = 9,131,221,632.82
  5. Step 5: Solve for x
    x = 9,131,221,632.82/147,799.89
  6. Step 6: Final answer
    x = 61,780.98

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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.