Home / 147,856.60-221,817.30-47,999.80

Finding the Fourth Proportional to 147,856.60, 221,817.30 and 47,999.80

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Solution

The fourth proportional to 147,856.60, 221,817.30 and 47,999.80 is: 72,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,856.60 : 221,817.30 = 47,999.80 : x
  2. Step 2: Convert to fraction form
    147,856.60/221,817.30 = 47,999.80/x
  3. Step 3: Cross multiply
    147,856.60x = 221,817.30 × 47,999.80
  4. Step 4: Simplify right side
    147,856.60x = 10,647,186,036.54
  5. Step 5: Solve for x
    x = 10,647,186,036.54/147,856.60
  6. Step 6: Final answer
    x = 72,010.22

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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.