Home / 178,720.27-246,729.74-137,795.01

Finding the Fourth Proportional to 178,720.27, 246,729.74 and 137,795.01

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Solution

The fourth proportional to 178,720.27, 246,729.74 and 137,795.01 is: 190,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,720.27 : 246,729.74 = 137,795.01 : x
  2. Step 2: Convert to fraction form
    178,720.27/246,729.74 = 137,795.01/x
  3. Step 3: Cross multiply
    178,720.27x = 246,729.74 × 137,795.01
  4. Step 4: Simplify right side
    178,720.27x = 33,998,126,659.50
  5. Step 5: Solve for x
    x = 33,998,126,659.50/178,720.27
  6. Step 6: Final answer
    x = 190,230.95

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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.