Home / 126,055.56-189,117.96-66,088.08

Finding the Fourth Proportional to 126,055.56, 189,117.96 and 66,088.08

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Solution

The fourth proportional to 126,055.56, 189,117.96 and 66,088.08 is: 99,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,055.56 : 189,117.96 = 66,088.08 : x
  2. Step 2: Convert to fraction form
    126,055.56/189,117.96 = 66,088.08/x
  3. Step 3: Cross multiply
    126,055.56x = 189,117.96 × 66,088.08
  4. Step 4: Simplify right side
    126,055.56x = 12,498,442,869.92
  5. Step 5: Solve for x
    x = 12,498,442,869.92/126,055.56
  6. Step 6: Final answer
    x = 99,150.27

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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.