Home / 79,345.85-119,034.20-23,186.23

Finding the Fourth Proportional to 79,345.85, 119,034.20 and 23,186.23

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Solution

The fourth proportional to 79,345.85, 119,034.20 and 23,186.23 is: 34,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.85 : 119,034.20 = 23,186.23 : x
  2. Step 2: Convert to fraction form
    79,345.85/119,034.20 = 23,186.23/x
  3. Step 3: Cross multiply
    79,345.85x = 119,034.20 × 23,186.23
  4. Step 4: Simplify right side
    79,345.85x = 2,759,954,099.45
  5. Step 5: Solve for x
    x = 2,759,954,099.45/79,345.85
  6. Step 6: Final answer
    x = 34,783.85

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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.