Home / 223,080.64-307,851.54-121,106.08

Finding the Fourth Proportional to 223,080.64, 307,851.54 and 121,106.08

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Solution

The fourth proportional to 223,080.64, 307,851.54 and 121,106.08 is: 167,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,080.64 : 307,851.54 = 121,106.08 : x
  2. Step 2: Convert to fraction form
    223,080.64/307,851.54 = 121,106.08/x
  3. Step 3: Cross multiply
    223,080.64x = 307,851.54 × 121,106.08
  4. Step 4: Simplify right side
    223,080.64x = 37,282,693,231.36
  5. Step 5: Solve for x
    x = 37,282,693,231.36/223,080.64
  6. Step 6: Final answer
    x = 167,126.53

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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.