Home / 223,255.54-308,095.02-121,282.18

Finding the Fourth Proportional to 223,255.54, 308,095.02 and 121,282.18

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Solution

The fourth proportional to 223,255.54, 308,095.02 and 121,282.18 is: 167,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,255.54 : 308,095.02 = 121,282.18 : x
  2. Step 2: Convert to fraction form
    223,255.54/308,095.02 = 121,282.18/x
  3. Step 3: Cross multiply
    223,255.54x = 308,095.02 × 121,282.18
  4. Step 4: Simplify right side
    223,255.54x = 37,366,435,672.74
  5. Step 5: Solve for x
    x = 37,366,435,672.74/223,255.54
  6. Step 6: Final answer
    x = 167,370.70

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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.