Home / 126,400.12-189,600.17-37,651.32

Finding the Fourth Proportional to 126,400.12, 189,600.17 and 37,651.32

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Solution

The fourth proportional to 126,400.12, 189,600.17 and 37,651.32 is: 56,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,400.12 : 189,600.17 = 37,651.32 : x
  2. Step 2: Convert to fraction form
    126,400.12/189,600.17 = 37,651.32/x
  3. Step 3: Cross multiply
    126,400.12x = 189,600.17 × 37,651.32
  4. Step 4: Simplify right side
    126,400.12x = 7,138,696,484.47
  5. Step 5: Solve for x
    x = 7,138,696,484.47/126,400.12
  6. Step 6: Final answer
    x = 56,476.98

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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.