Home / 126,977.52-190,322.10-59,439.36

Finding the Fourth Proportional to 126,977.52, 190,322.10 and 59,439.36

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Solution

The fourth proportional to 126,977.52, 190,322.10 and 59,439.36 is: 89,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,977.52 : 190,322.10 = 59,439.36 : x
  2. Step 2: Convert to fraction form
    126,977.52/190,322.10 = 59,439.36/x
  3. Step 3: Cross multiply
    126,977.52x = 190,322.10 × 59,439.36
  4. Step 4: Simplify right side
    126,977.52x = 11,312,623,817.86
  5. Step 5: Solve for x
    x = 11,312,623,817.86/126,977.52
  6. Step 6: Final answer
    x = 89,091.55

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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.