Home / 223,621.23-308,602.93-121,652.42

Finding the Fourth Proportional to 223,621.23, 308,602.93 and 121,652.42

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Solution

The fourth proportional to 223,621.23, 308,602.93 and 121,652.42 is: 167,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,621.23 : 308,602.93 = 121,652.42 : x
  2. Step 2: Convert to fraction form
    223,621.23/308,602.93 = 121,652.42/x
  3. Step 3: Cross multiply
    223,621.23x = 308,602.93 × 121,652.42
  4. Step 4: Simplify right side
    223,621.23x = 37,542,293,253.59
  5. Step 5: Solve for x
    x = 37,542,293,253.59/223,621.23
  6. Step 6: Final answer
    x = 167,883.40

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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.