Home / 137,272.55-189,458.80-94,216.68

Finding the Fourth Proportional to 137,272.55, 189,458.80 and 94,216.68

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Solution

The fourth proportional to 137,272.55, 189,458.80 and 94,216.68 is: 130,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,272.55 : 189,458.80 = 94,216.68 : x
  2. Step 2: Convert to fraction form
    137,272.55/189,458.80 = 94,216.68/x
  3. Step 3: Cross multiply
    137,272.55x = 189,458.80 × 94,216.68
  4. Step 4: Simplify right side
    137,272.55x = 17,850,179,132.78
  5. Step 5: Solve for x
    x = 17,850,179,132.78/137,272.55
  6. Step 6: Final answer
    x = 130,034.59

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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.