Home / 223,101.02-307,877.19-121,127.42

Finding the Fourth Proportional to 223,101.02, 307,877.19 and 121,127.42

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Solution

The fourth proportional to 223,101.02, 307,877.19 and 121,127.42 is: 167,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,101.02 : 307,877.19 = 121,127.42 : x
  2. Step 2: Convert to fraction form
    223,101.02/307,877.19 = 121,127.42/x
  3. Step 3: Cross multiply
    223,101.02x = 307,877.19 × 121,127.42
  4. Step 4: Simplify right side
    223,101.02x = 37,292,368,162.16
  5. Step 5: Solve for x
    x = 37,292,368,162.16/223,101.02
  6. Step 6: Final answer
    x = 167,154.63

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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.