Home / 137,301.36-189,378.03-126,007.32

Finding the Fourth Proportional to 137,301.36, 189,378.03 and 126,007.32

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Solution

The fourth proportional to 137,301.36, 189,378.03 and 126,007.32 is: 173,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,301.36 : 189,378.03 = 126,007.32 : x
  2. Step 2: Convert to fraction form
    137,301.36/189,378.03 = 126,007.32/x
  3. Step 3: Cross multiply
    137,301.36x = 189,378.03 × 126,007.32
  4. Step 4: Simplify right side
    137,301.36x = 23,863,018,027.18
  5. Step 5: Solve for x
    x = 23,863,018,027.18/137,301.36
  6. Step 6: Final answer
    x = 173,800.30

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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.