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Finding the Fourth Proportional to 97,777.65, 146,721.15 and 41,608.20

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Solution

The fourth proportional to 97,777.65, 146,721.15 and 41,608.20 is: 62,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,777.65 : 146,721.15 = 41,608.20 : x
  2. Step 2: Convert to fraction form
    97,777.65/146,721.15 = 41,608.20/x
  3. Step 3: Cross multiply
    97,777.65x = 146,721.15 × 41,608.20
  4. Step 4: Simplify right side
    97,777.65x = 6,104,802,953.43
  5. Step 5: Solve for x
    x = 6,104,802,953.43/97,777.65
  6. Step 6: Final answer
    x = 62,435.57

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1.5x scale

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.