Home / 147,997.02-221,970.78-53,207.88

Finding the Fourth Proportional to 147,997.02, 221,970.78 and 53,207.88

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Solution

The fourth proportional to 147,997.02, 221,970.78 and 53,207.88 is: 79,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,997.02 : 221,970.78 = 53,207.88 : x
  2. Step 2: Convert to fraction form
    147,997.02/221,970.78 = 53,207.88/x
  3. Step 3: Cross multiply
    147,997.02x = 221,970.78 × 53,207.88
  4. Step 4: Simplify right side
    147,997.02x = 11,810,594,625.75
  5. Step 5: Solve for x
    x = 11,810,594,625.75/147,997.02
  6. Step 6: Final answer
    x = 79,802.92

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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.