Home / 147,617.76-221,461.78-47,777.96

Finding the Fourth Proportional to 147,617.76, 221,461.78 and 47,777.96

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Solution

The fourth proportional to 147,617.76, 221,461.78 and 47,777.96 is: 71,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617.76 : 221,461.78 = 47,777.96 : x
  2. Step 2: Convert to fraction form
    147,617.76/221,461.78 = 47,777.96/x
  3. Step 3: Cross multiply
    147,617.76x = 221,461.78 × 47,777.96
  4. Step 4: Simplify right side
    147,617.76x = 10,580,992,066.37
  5. Step 5: Solve for x
    x = 10,580,992,066.37/147,617.76
  6. Step 6: Final answer
    x = 71,678.31

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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.