Home / 146,145.33-219,240.93-61,905.74

Finding the Fourth Proportional to 146,145.33, 219,240.93 and 61,905.74

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Solution

The fourth proportional to 146,145.33, 219,240.93 and 61,905.74 is: 92,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,145.33 : 219,240.93 = 61,905.74 : x
  2. Step 2: Convert to fraction form
    146,145.33/219,240.93 = 61,905.74/x
  3. Step 3: Cross multiply
    146,145.33x = 219,240.93 × 61,905.74
  4. Step 4: Simplify right side
    146,145.33x = 13,572,272,009.94
  5. Step 5: Solve for x
    x = 13,572,272,009.94/146,145.33
  6. Step 6: Final answer
    x = 92,868.33

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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.