Home / 151,802.20-227,768.10-72,875.80

Finding the Fourth Proportional to 151,802.20, 227,768.10 and 72,875.80

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Solution

The fourth proportional to 151,802.20, 227,768.10 and 72,875.80 is: 109,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,802.20 : 227,768.10 = 72,875.80 : x
  2. Step 2: Convert to fraction form
    151,802.20/227,768.10 = 72,875.80/x
  3. Step 3: Cross multiply
    151,802.20x = 227,768.10 × 72,875.80
  4. Step 4: Simplify right side
    151,802.20x = 16,598,782,501.98
  5. Step 5: Solve for x
    x = 16,598,782,501.98/151,802.20
  6. Step 6: Final answer
    x = 109,344.81

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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.