Home / 152,601.80-228,881.10-47,431.40

Finding the Fourth Proportional to 152,601.80, 228,881.10 and 47,431.40

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Solution

The fourth proportional to 152,601.80, 228,881.10 and 47,431.40 is: 71,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,601.80 : 228,881.10 = 47,431.40 : x
  2. Step 2: Convert to fraction form
    152,601.80/228,881.10 = 47,431.40/x
  3. Step 3: Cross multiply
    152,601.80x = 228,881.10 × 47,431.40
  4. Step 4: Simplify right side
    152,601.80x = 10,856,151,006.54
  5. Step 5: Solve for x
    x = 10,856,151,006.54/152,601.80
  6. Step 6: Final answer
    x = 71,140.39

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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.