Home / 374,042.42-561,145.67-121,348.47

Finding the Fourth Proportional to 374,042.42, 561,145.67 and 121,348.47

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Solution

The fourth proportional to 374,042.42, 561,145.67 and 121,348.47 is: 182,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,042.42 : 561,145.67 = 121,348.47 : x
  2. Step 2: Convert to fraction form
    374,042.42/561,145.67 = 121,348.47/x
  3. Step 3: Cross multiply
    374,042.42x = 561,145.67 × 121,348.47
  4. Step 4: Simplify right side
    374,042.42x = 68,094,168,805.00
  5. Step 5: Solve for x
    x = 68,094,168,805.00/374,042.42
  6. Step 6: Final answer
    x = 182,049.32

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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.