Home / 140,241.61-193,738.13-121,345.93

Finding the Fourth Proportional to 140,241.61, 193,738.13 and 121,345.93

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Solution

The fourth proportional to 140,241.61, 193,738.13 and 121,345.93 is: 167,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,241.61 : 193,738.13 = 121,345.93 : x
  2. Step 2: Convert to fraction form
    140,241.61/193,738.13 = 121,345.93/x
  3. Step 3: Cross multiply
    140,241.61x = 193,738.13 × 121,345.93
  4. Step 4: Simplify right side
    140,241.61x = 23,509,333,561.31
  5. Step 5: Solve for x
    x = 23,509,333,561.31/140,241.61
  6. Step 6: Final answer
    x = 167,634.51

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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.