Home / 111,478.59-167,272.56-52,319.07

Finding the Fourth Proportional to 111,478.59, 167,272.56 and 52,319.07

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Solution

The fourth proportional to 111,478.59, 167,272.56 and 52,319.07 is: 78,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,478.59 : 167,272.56 = 52,319.07 : x
  2. Step 2: Convert to fraction form
    111,478.59/167,272.56 = 52,319.07/x
  3. Step 3: Cross multiply
    111,478.59x = 167,272.56 × 52,319.07
  4. Step 4: Simplify right side
    111,478.59x = 8,751,544,775.72
  5. Step 5: Solve for x
    x = 8,751,544,775.72/111,478.59
  6. Step 6: Final answer
    x = 78,504.27

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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.