Home / 183,419.43-253,011.27-115,328.49

Finding the Fourth Proportional to 183,419.43, 253,011.27 and 115,328.49

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Solution

The fourth proportional to 183,419.43, 253,011.27 and 115,328.49 is: 159,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,419.43 : 253,011.27 = 115,328.49 : x
  2. Step 2: Convert to fraction form
    183,419.43/253,011.27 = 115,328.49/x
  3. Step 3: Cross multiply
    183,419.43x = 253,011.27 × 115,328.49
  4. Step 4: Simplify right side
    183,419.43x = 29,179,407,722.08
  5. Step 5: Solve for x
    x = 29,179,407,722.08/183,419.43
  6. Step 6: Final answer
    x = 159,085.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.