Home / 126,260.75-189,128.67-59,754.08

Finding the Fourth Proportional to 126,260.75, 189,128.67 and 59,754.08

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Solution

The fourth proportional to 126,260.75, 189,128.67 and 59,754.08 is: 89,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,260.75 : 189,128.67 = 59,754.08 : x
  2. Step 2: Convert to fraction form
    126,260.75/189,128.67 = 59,754.08/x
  3. Step 3: Cross multiply
    126,260.75x = 189,128.67 × 59,754.08
  4. Step 4: Simplify right side
    126,260.75x = 11,301,208,731.83
  5. Step 5: Solve for x
    x = 11,301,208,731.83/126,260.75
  6. Step 6: Final answer
    x = 89,506.91

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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.