Home / 147,999.90-221,562.45-98,136.30

Finding the Fourth Proportional to 147,999.90, 221,562.45 and 98,136.30

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Solution

The fourth proportional to 147,999.90, 221,562.45 and 98,136.30 is: 146,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,999.90 : 221,562.45 = 98,136.30 : x
  2. Step 2: Convert to fraction form
    147,999.90/221,562.45 = 98,136.30/x
  3. Step 3: Cross multiply
    147,999.90x = 221,562.45 × 98,136.30
  4. Step 4: Simplify right side
    147,999.90x = 21,743,319,061.94
  5. Step 5: Solve for x
    x = 21,743,319,061.94/147,999.90
  6. Step 6: Final answer
    x = 146,914.42

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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.