Home / 126,002.20-189,089.70-55,931.80

Finding the Fourth Proportional to 126,002.20, 189,089.70 and 55,931.80

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Solution

The fourth proportional to 126,002.20, 189,089.70 and 55,931.80 is: 83,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,002.20 : 189,089.70 = 55,931.80 : x
  2. Step 2: Convert to fraction form
    126,002.20/189,089.70 = 55,931.80/x
  3. Step 3: Cross multiply
    126,002.20x = 189,089.70 × 55,931.80
  4. Step 4: Simplify right side
    126,002.20x = 10,576,127,282.46
  5. Step 5: Solve for x
    x = 10,576,127,282.46/126,002.20
  6. Step 6: Final answer
    x = 83,936.05

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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.