Home / 126,064.40-189,096.60-102,444.80

Finding the Fourth Proportional to 126,064.40, 189,096.60 and 102,444.80

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Solution

The fourth proportional to 126,064.40, 189,096.60 and 102,444.80 is: 153,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064.40 : 189,096.60 = 102,444.80 : x
  2. Step 2: Convert to fraction form
    126,064.40/189,096.60 = 102,444.80/x
  3. Step 3: Cross multiply
    126,064.40x = 189,096.60 × 102,444.80
  4. Step 4: Simplify right side
    126,064.40x = 19,371,963,367.68
  5. Step 5: Solve for x
    x = 19,371,963,367.68/126,064.40
  6. Step 6: Final answer
    x = 153,667.20

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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.