Home / 223,019.02-307,755.75-121,042.18

Finding the Fourth Proportional to 223,019.02, 307,755.75 and 121,042.18

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Solution

The fourth proportional to 223,019.02, 307,755.75 and 121,042.18 is: 167,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,019.02 : 307,755.75 = 121,042.18 : x
  2. Step 2: Convert to fraction form
    223,019.02/307,755.75 = 121,042.18/x
  3. Step 3: Cross multiply
    223,019.02x = 307,755.75 × 121,042.18
  4. Step 4: Simplify right side
    223,019.02x = 37,251,426,887.54
  5. Step 5: Solve for x
    x = 37,251,426,887.54/223,019.02
  6. Step 6: Final answer
    x = 167,032.51

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1.5x scale

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.