Home / 126,384.35-189,465.45-51,567.49

Finding the Fourth Proportional to 126,384.35, 189,465.45 and 51,567.49

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Solution

The fourth proportional to 126,384.35, 189,465.45 and 51,567.49 is: 77,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384.35 : 189,465.45 = 51,567.49 : x
  2. Step 2: Convert to fraction form
    126,384.35/189,465.45 = 51,567.49/x
  3. Step 3: Cross multiply
    126,384.35x = 189,465.45 × 51,567.49
  4. Step 4: Simplify right side
    126,384.35x = 9,770,257,417.93
  5. Step 5: Solve for x
    x = 9,770,257,417.93/126,384.35
  6. Step 6: Final answer
    x = 77,305.91

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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.