Home / 223,219.52-308,042.06-121,244.16

Finding the Fourth Proportional to 223,219.52, 308,042.06 and 121,244.16

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Solution

The fourth proportional to 223,219.52, 308,042.06 and 121,244.16 is: 167,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,219.52 : 308,042.06 = 121,244.16 : x
  2. Step 2: Convert to fraction form
    223,219.52/308,042.06 = 121,244.16/x
  3. Step 3: Cross multiply
    223,219.52x = 308,042.06 × 121,244.16
  4. Step 4: Simplify right side
    223,219.52x = 37,348,300,809.37
  5. Step 5: Solve for x
    x = 37,348,300,809.37/223,219.52
  6. Step 6: Final answer
    x = 167,316.46

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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.