Home / 126,360.78-189,508.77-59,783.10

Finding the Fourth Proportional to 126,360.78, 189,508.77 and 59,783.10

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Solution

The fourth proportional to 126,360.78, 189,508.77 and 59,783.10 is: 89,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,360.78 : 189,508.77 = 59,783.10 : x
  2. Step 2: Convert to fraction form
    126,360.78/189,508.77 = 59,783.10/x
  3. Step 3: Cross multiply
    126,360.78x = 189,508.77 × 59,783.10
  4. Step 4: Simplify right side
    126,360.78x = 11,329,421,747.79
  5. Step 5: Solve for x
    x = 11,329,421,747.79/126,360.78
  6. Step 6: Final answer
    x = 89,659.32

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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.