Home / 146,376.28-201,999.42-79,307.80

Finding the Fourth Proportional to 146,376.28, 201,999.42 and 79,307.80

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Solution

The fourth proportional to 146,376.28, 201,999.42 and 79,307.80 is: 109,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,376.28 : 201,999.42 = 79,307.80 : x
  2. Step 2: Convert to fraction form
    146,376.28/201,999.42 = 79,307.80/x
  3. Step 3: Cross multiply
    146,376.28x = 201,999.42 × 79,307.80
  4. Step 4: Simplify right side
    146,376.28x = 16,020,129,601.48
  5. Step 5: Solve for x
    x = 16,020,129,601.48/146,376.28
  6. Step 6: Final answer
    x = 109,444.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.