Home / 374,747.40-561,926.70-137,968.20

Finding the Fourth Proportional to 374,747.40, 561,926.70 and 137,968.20

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Solution

The fourth proportional to 374,747.40, 561,926.70 and 137,968.20 is: 206,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,747.40 : 561,926.70 = 137,968.20 : x
  2. Step 2: Convert to fraction form
    374,747.40/561,926.70 = 137,968.20/x
  3. Step 3: Cross multiply
    374,747.40x = 561,926.70 × 137,968.20
  4. Step 4: Simplify right side
    374,747.40x = 77,528,015,330.94
  5. Step 5: Solve for x
    x = 77,528,015,330.94/374,747.40
  6. Step 6: Final answer
    x = 206,880.73

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1.5x scale

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.