Home / 223,016.26-307,762.72-121,041.71

Finding the Fourth Proportional to 223,016.26, 307,762.72 and 121,041.71

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Solution

The fourth proportional to 223,016.26, 307,762.72 and 121,041.71 is: 167,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,016.26 : 307,762.72 = 121,041.71 : x
  2. Step 2: Convert to fraction form
    223,016.26/307,762.72 = 121,041.71/x
  3. Step 3: Cross multiply
    223,016.26x = 307,762.72 × 121,041.71
  4. Step 4: Simplify right side
    223,016.26x = 37,252,125,375.08
  5. Step 5: Solve for x
    x = 37,252,125,375.08/223,016.26
  6. Step 6: Final answer
    x = 167,037.71

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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.