Home / 126,002.40-189,003.60-47,100.30

Finding the Fourth Proportional to 126,002.40, 189,003.60 and 47,100.30

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Solution

The fourth proportional to 126,002.40, 189,003.60 and 47,100.30 is: 70,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,002.40 : 189,003.60 = 47,100.30 : x
  2. Step 2: Convert to fraction form
    126,002.40/189,003.60 = 47,100.30/x
  3. Step 3: Cross multiply
    126,002.40x = 189,003.60 × 47,100.30
  4. Step 4: Simplify right side
    126,002.40x = 8,902,126,261.08
  5. Step 5: Solve for x
    x = 8,902,126,261.08/126,002.40
  6. Step 6: Final answer
    x = 70,650.45

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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.