Home / 126,073.83-189,120.17-46,130.48

Finding the Fourth Proportional to 126,073.83, 189,120.17 and 46,130.48

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Solution

The fourth proportional to 126,073.83, 189,120.17 and 46,130.48 is: 69,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,073.83 : 189,120.17 = 46,130.48 : x
  2. Step 2: Convert to fraction form
    126,073.83/189,120.17 = 46,130.48/x
  3. Step 3: Cross multiply
    126,073.83x = 189,120.17 × 46,130.48
  4. Step 4: Simplify right side
    126,073.83x = 8,724,203,043.53
  5. Step 5: Solve for x
    x = 8,724,203,043.53/126,073.83
  6. Step 6: Final answer
    x = 69,199.16

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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.