Home / 180,140.83-269,837.39-105,033.17

Finding the Fourth Proportional to 180,140.83, 269,837.39 and 105,033.17

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Solution

The fourth proportional to 180,140.83, 269,837.39 and 105,033.17 is: 157,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,140.83 : 269,837.39 = 105,033.17 : x
  2. Step 2: Convert to fraction form
    180,140.83/269,837.39 = 105,033.17/x
  3. Step 3: Cross multiply
    180,140.83x = 269,837.39 × 105,033.17
  4. Step 4: Simplify right side
    180,140.83x = 28,341,877,393.40
  5. Step 5: Solve for x
    x = 28,341,877,393.40/180,140.83
  6. Step 6: Final answer
    x = 157,331.78

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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.