Home / 146,529.46-219,259.05-86,586.52

Finding the Fourth Proportional to 146,529.46, 219,259.05 and 86,586.52

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Solution

The fourth proportional to 146,529.46, 219,259.05 and 86,586.52 is: 129,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,529.46 : 219,259.05 = 86,586.52 : x
  2. Step 2: Convert to fraction form
    146,529.46/219,259.05 = 86,586.52/x
  3. Step 3: Cross multiply
    146,529.46x = 219,259.05 × 86,586.52
  4. Step 4: Simplify right side
    146,529.46x = 18,984,878,143.32
  5. Step 5: Solve for x
    x = 18,984,878,143.32/146,529.46
  6. Step 6: Final answer
    x = 129,563.56

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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.