Home / 139,514.48-192,465.64-101,190.32

Finding the Fourth Proportional to 139,514.48, 192,465.64 and 101,190.32

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Solution

The fourth proportional to 139,514.48, 192,465.64 and 101,190.32 is: 139,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,514.48 : 192,465.64 = 101,190.32 : x
  2. Step 2: Convert to fraction form
    139,514.48/192,465.64 = 101,190.32/x
  3. Step 3: Cross multiply
    139,514.48x = 192,465.64 × 101,190.32
  4. Step 4: Simplify right side
    139,514.48x = 19,475,659,700.60
  5. Step 5: Solve for x
    x = 19,475,659,700.60/139,514.48
  6. Step 6: Final answer
    x = 139,595.97

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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.