Home / 98,008.31-135,230.61-57,707.37

Finding the Fourth Proportional to 98,008.31, 135,230.61 and 57,707.37

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Solution

The fourth proportional to 98,008.31, 135,230.61 and 57,707.37 is: 79,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,008.31 : 135,230.61 = 57,707.37 : x
  2. Step 2: Convert to fraction form
    98,008.31/135,230.61 = 57,707.37/x
  3. Step 3: Cross multiply
    98,008.31x = 135,230.61 × 57,707.37
  4. Step 4: Simplify right side
    98,008.31x = 7,803,803,063.00
  5. Step 5: Solve for x
    x = 7,803,803,063.00/98,008.31
  6. Step 6: Final answer
    x = 79,623.89

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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.