Home / 152,905.70-228,710.55-137,224.10

Finding the Fourth Proportional to 152,905.70, 228,710.55 and 137,224.10

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Solution

The fourth proportional to 152,905.70, 228,710.55 and 137,224.10 is: 205,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,905.70 : 228,710.55 = 137,224.10 : x
  2. Step 2: Convert to fraction form
    152,905.70/228,710.55 = 137,224.10/x
  3. Step 3: Cross multiply
    152,905.70x = 228,710.55 × 137,224.10
  4. Step 4: Simplify right side
    152,905.70x = 31,384,599,384.26
  5. Step 5: Solve for x
    x = 31,384,599,384.26/152,905.70
  6. Step 6: Final answer
    x = 205,254.61

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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.