Home / 223,720.02-308,734.94-121,746.29

Finding the Fourth Proportional to 223,720.02, 308,734.94 and 121,746.29

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Solution

The fourth proportional to 223,720.02, 308,734.94 and 121,746.29 is: 168,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,720.02 : 308,734.94 = 121,746.29 : x
  2. Step 2: Convert to fraction form
    223,720.02/308,734.94 = 121,746.29/x
  3. Step 3: Cross multiply
    223,720.02x = 308,734.94 × 121,746.29
  4. Step 4: Simplify right side
    223,720.02x = 37,587,332,299.06
  5. Step 5: Solve for x
    x = 37,587,332,299.06/223,720.02
  6. Step 6: Final answer
    x = 168,010.59

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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.