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Finding the Fourth Proportional to 154,029.60, 230,655.60 and 101,152.80

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Solution

The fourth proportional to 154,029.60, 230,655.60 and 101,152.80 is: 151,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,029.60 : 230,655.60 = 101,152.80 : x
  2. Step 2: Convert to fraction form
    154,029.60/230,655.60 = 101,152.80/x
  3. Step 3: Cross multiply
    154,029.60x = 230,655.60 × 101,152.80
  4. Step 4: Simplify right side
    154,029.60x = 23,331,459,775.68
  5. Step 5: Solve for x
    x = 23,331,459,775.68/154,029.60
  6. Step 6: Final answer
    x = 151,473.87

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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.