Home / 126,285.71-189,365.18-42,016.14

Finding the Fourth Proportional to 126,285.71, 189,365.18 and 42,016.14

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Solution

The fourth proportional to 126,285.71, 189,365.18 and 42,016.14 is: 63,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,285.71 : 189,365.18 = 42,016.14 : x
  2. Step 2: Convert to fraction form
    126,285.71/189,365.18 = 42,016.14/x
  3. Step 3: Cross multiply
    126,285.71x = 189,365.18 × 42,016.14
  4. Step 4: Simplify right side
    126,285.71x = 7,956,393,703.92
  5. Step 5: Solve for x
    x = 7,956,393,703.92/126,285.71
  6. Step 6: Final answer
    x = 63,003.12

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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.