Home / 126,168.39-189,233.21-46,187.51

Finding the Fourth Proportional to 126,168.39, 189,233.21 and 46,187.51

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Solution

The fourth proportional to 126,168.39, 189,233.21 and 46,187.51 is: 69,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,168.39 : 189,233.21 = 46,187.51 : x
  2. Step 2: Convert to fraction form
    126,168.39/189,233.21 = 46,187.51/x
  3. Step 3: Cross multiply
    126,168.39x = 189,233.21 × 46,187.51
  4. Step 4: Simplify right side
    126,168.39x = 8,740,209,602.10
  5. Step 5: Solve for x
    x = 8,740,209,602.10/126,168.39
  6. Step 6: Final answer
    x = 69,274.16

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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.