Home / 223,377.47-308,262.95-121,403.19

Finding the Fourth Proportional to 223,377.47, 308,262.95 and 121,403.19

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Solution

The fourth proportional to 223,377.47, 308,262.95 and 121,403.19 is: 167,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,377.47 : 308,262.95 = 121,403.19 : x
  2. Step 2: Convert to fraction form
    223,377.47/308,262.95 = 121,403.19/x
  3. Step 3: Cross multiply
    223,377.47x = 308,262.95 × 121,403.19
  4. Step 4: Simplify right side
    223,377.47x = 37,424,104,881.79
  5. Step 5: Solve for x
    x = 37,424,104,881.79/223,377.47
  6. Step 6: Final answer
    x = 167,537.51

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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.