Home / 185,068.40-255,395.19-100,185.46

Finding the Fourth Proportional to 185,068.40, 255,395.19 and 100,185.46

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Solution

The fourth proportional to 185,068.40, 255,395.19 and 100,185.46 is: 138,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,068.40 : 255,395.19 = 100,185.46 : x
  2. Step 2: Convert to fraction form
    185,068.40/255,395.19 = 100,185.46/x
  3. Step 3: Cross multiply
    185,068.40x = 255,395.19 × 100,185.46
  4. Step 4: Simplify right side
    185,068.40x = 25,586,884,329.14
  5. Step 5: Solve for x
    x = 25,586,884,329.14/185,068.40
  6. Step 6: Final answer
    x = 138,256.37

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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.