Home / 146,136.40-219,125.60-51,342.08

Finding the Fourth Proportional to 146,136.40, 219,125.60 and 51,342.08

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Solution

The fourth proportional to 146,136.40, 219,125.60 and 51,342.08 is: 76,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,136.40 : 219,125.60 = 51,342.08 : x
  2. Step 2: Convert to fraction form
    146,136.40/219,125.60 = 51,342.08/x
  3. Step 3: Cross multiply
    146,136.40x = 219,125.60 × 51,342.08
  4. Step 4: Simplify right side
    146,136.40x = 11,250,364,085.25
  5. Step 5: Solve for x
    x = 11,250,364,085.25/146,136.40
  6. Step 6: Final answer
    x = 76,985.36

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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.