Home / 223,150.64-307,946.90-121,175.28

Finding the Fourth Proportional to 223,150.64, 307,946.90 and 121,175.28

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Solution

The fourth proportional to 223,150.64, 307,946.90 and 121,175.28 is: 167,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,150.64 : 307,946.90 = 121,175.28 : x
  2. Step 2: Convert to fraction form
    223,150.64/307,946.90 = 121,175.28/x
  3. Step 3: Cross multiply
    223,150.64x = 307,946.90 × 121,175.28
  4. Step 4: Simplify right side
    223,150.64x = 37,315,551,226.76
  5. Step 5: Solve for x
    x = 37,315,551,226.76/223,150.64
  6. Step 6: Final answer
    x = 167,221.35

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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.