Home / 100,861.42-151,248.38-34,283.66

Finding the Fourth Proportional to 100,861.42, 151,248.38 and 34,283.66

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Solution

The fourth proportional to 100,861.42, 151,248.38 and 34,283.66 is: 51,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,861.42 : 151,248.38 = 34,283.66 : x
  2. Step 2: Convert to fraction form
    100,861.42/151,248.38 = 34,283.66/x
  3. Step 3: Cross multiply
    100,861.42x = 151,248.38 × 34,283.66
  4. Step 4: Simplify right side
    100,861.42x = 5,185,348,035.47
  5. Step 5: Solve for x
    x = 5,185,348,035.47/100,861.42
  6. Step 6: Final answer
    x = 51,410.62

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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.