Home / 126,527.32-189,727.26-42,258.16

Finding the Fourth Proportional to 126,527.32, 189,727.26 and 42,258.16

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Solution

The fourth proportional to 126,527.32, 189,727.26 and 42,258.16 is: 63,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,527.32 : 189,727.26 = 42,258.16 : x
  2. Step 2: Convert to fraction form
    126,527.32/189,727.26 = 42,258.16/x
  3. Step 3: Cross multiply
    126,527.32x = 189,727.26 × 42,258.16
  4. Step 4: Simplify right side
    126,527.32x = 8,017,524,909.44
  5. Step 5: Solve for x
    x = 8,017,524,909.44/126,527.32
  6. Step 6: Final answer
    x = 63,365.96

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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.