Home / 374,561.23-561,919.61-125,236.75

Finding the Fourth Proportional to 374,561.23, 561,919.61 and 125,236.75

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Solution

The fourth proportional to 374,561.23, 561,919.61 and 125,236.75 is: 187,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,561.23 : 561,919.61 = 125,236.75 : x
  2. Step 2: Convert to fraction form
    374,561.23/561,919.61 = 125,236.75/x
  3. Step 3: Cross multiply
    374,561.23x = 561,919.61 × 125,236.75
  4. Step 4: Simplify right side
    374,561.23x = 70,372,985,717.67
  5. Step 5: Solve for x
    x = 70,372,985,717.67/374,561.23
  6. Step 6: Final answer
    x = 187,881.13

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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.