Home / 223,221.48-308,047.91-121,247.93

Finding the Fourth Proportional to 223,221.48, 308,047.91 and 121,247.93

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Solution

The fourth proportional to 223,221.48, 308,047.91 and 121,247.93 is: 167,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,221.48 : 308,047.91 = 121,247.93 : x
  2. Step 2: Convert to fraction form
    223,221.48/308,047.91 = 121,247.93/x
  3. Step 3: Cross multiply
    223,221.48x = 308,047.91 × 121,247.93
  4. Step 4: Simplify right side
    223,221.48x = 37,350,169,281.85
  5. Step 5: Solve for x
    x = 37,350,169,281.85/223,221.48
  6. Step 6: Final answer
    x = 167,323.37

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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.