Home / 152,288.76-228,039.48-135,363

Finding the Fourth Proportional to 152,288.76, 228,039.48 and 135,363

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Solution

The fourth proportional to 152,288.76, 228,039.48 and 135,363 is: 202,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,288.76 : 228,039.48 = 135,363 : x
  2. Step 2: Convert to fraction form
    152,288.76/228,039.48 = 135,363/x
  3. Step 3: Cross multiply
    152,288.76x = 228,039.48 × 135,363
  4. Step 4: Simplify right side
    152,288.76x = 30,868,108,131.24
  5. Step 5: Solve for x
    x = 30,868,108,131.24/152,288.76
  6. Step 6: Final answer
    x = 202,694.59

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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.