Home / 374,144.71-561,071.47-121,364.07

Finding the Fourth Proportional to 374,144.71, 561,071.47 and 121,364.07

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Solution

The fourth proportional to 374,144.71, 561,071.47 and 121,364.07 is: 181,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,144.71 : 561,071.47 = 121,364.07 : x
  2. Step 2: Convert to fraction form
    374,144.71/561,071.47 = 121,364.07/x
  3. Step 3: Cross multiply
    374,144.71x = 561,071.47 × 121,364.07
  4. Step 4: Simplify right side
    374,144.71x = 68,093,918,306.91
  5. Step 5: Solve for x
    x = 68,093,918,306.91/374,144.71
  6. Step 6: Final answer
    x = 181,998.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.