Home / 252,125.15-347,926.28-137,406.74

Finding the Fourth Proportional to 252,125.15, 347,926.28 and 137,406.74

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Solution

The fourth proportional to 252,125.15, 347,926.28 and 137,406.74 is: 189,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,125.15 : 347,926.28 = 137,406.74 : x
  2. Step 2: Convert to fraction form
    252,125.15/347,926.28 = 137,406.74/x
  3. Step 3: Cross multiply
    252,125.15x = 347,926.28 × 137,406.74
  4. Step 4: Simplify right side
    252,125.15x = 47,807,414,499.01
  5. Step 5: Solve for x
    x = 47,807,414,499.01/252,125.15
  6. Step 6: Final answer
    x = 189,617.80

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1.5x scale

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.