Home / 223,132.93-307,926.66-121,158.59

Finding the Fourth Proportional to 223,132.93, 307,926.66 and 121,158.59

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Solution

The fourth proportional to 223,132.93, 307,926.66 and 121,158.59 is: 167,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,132.93 : 307,926.66 = 121,158.59 : x
  2. Step 2: Convert to fraction form
    223,132.93/307,926.66 = 121,158.59/x
  3. Step 3: Cross multiply
    223,132.93x = 307,926.66 × 121,158.59
  4. Step 4: Simplify right side
    223,132.93x = 37,307,958,863.72
  5. Step 5: Solve for x
    x = 37,307,958,863.72/223,132.93
  6. Step 6: Final answer
    x = 167,200.60

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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.