Home / 98,228.03-135,572.40-57,939.37

Finding the Fourth Proportional to 98,228.03, 135,572.40 and 57,939.37

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Solution

The fourth proportional to 98,228.03, 135,572.40 and 57,939.37 is: 79,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,228.03 : 135,572.40 = 57,939.37 : x
  2. Step 2: Convert to fraction form
    98,228.03/135,572.40 = 57,939.37/x
  3. Step 3: Cross multiply
    98,228.03x = 135,572.40 × 57,939.37
  4. Step 4: Simplify right side
    98,228.03x = 7,854,979,106.46
  5. Step 5: Solve for x
    x = 7,854,979,106.46/98,228.03
  6. Step 6: Final answer
    x = 79,966.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.