Home / 185,030.36-255,341.66-100,147.22

Finding the Fourth Proportional to 185,030.36, 255,341.66 and 100,147.22

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Solution

The fourth proportional to 185,030.36, 255,341.66 and 100,147.22 is: 138,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,030.36 : 255,341.66 = 100,147.22 : x
  2. Step 2: Convert to fraction form
    185,030.36/255,341.66 = 100,147.22/x
  3. Step 3: Cross multiply
    185,030.36x = 255,341.66 × 100,147.22
  4. Step 4: Simplify right side
    185,030.36x = 25,571,755,621.74
  5. Step 5: Solve for x
    x = 25,571,755,621.74/185,030.36
  6. Step 6: Final answer
    x = 138,203.03

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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.