Home / 126,152.60-189,228.89-51,272.45

Finding the Fourth Proportional to 126,152.60, 189,228.89 and 51,272.45

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Solution

The fourth proportional to 126,152.60, 189,228.89 and 51,272.45 is: 76,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,152.60 : 189,228.89 = 51,272.45 : x
  2. Step 2: Convert to fraction form
    126,152.60/189,228.89 = 51,272.45/x
  3. Step 3: Cross multiply
    126,152.60x = 189,228.89 × 51,272.45
  4. Step 4: Simplify right side
    126,152.60x = 9,702,227,598.57
  5. Step 5: Solve for x
    x = 9,702,227,598.57/126,152.60
  6. Step 6: Final answer
    x = 76,908.66

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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.