Home / 135,370.38-186,697.80-101,458.47

Finding the Fourth Proportional to 135,370.38, 186,697.80 and 101,458.47

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Solution

The fourth proportional to 135,370.38, 186,697.80 and 101,458.47 is: 139,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,370.38 : 186,697.80 = 101,458.47 : x
  2. Step 2: Convert to fraction form
    135,370.38/186,697.80 = 101,458.47/x
  3. Step 3: Cross multiply
    135,370.38x = 186,697.80 × 101,458.47
  4. Step 4: Simplify right side
    135,370.38x = 18,942,073,140.37
  5. Step 5: Solve for x
    x = 18,942,073,140.37/135,370.38
  6. Step 6: Final answer
    x = 139,927.75

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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.