Home / 207,141.89-310,662.34-57,378.29

Finding the Fourth Proportional to 207,141.89, 310,662.34 and 57,378.29

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Solution

The fourth proportional to 207,141.89, 310,662.34 and 57,378.29 is: 86,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,141.89 : 310,662.34 = 57,378.29 : x
  2. Step 2: Convert to fraction form
    207,141.89/310,662.34 = 57,378.29/x
  3. Step 3: Cross multiply
    207,141.89x = 310,662.34 × 57,378.29
  4. Step 4: Simplify right side
    207,141.89x = 17,825,272,139.84
  5. Step 5: Solve for x
    x = 17,825,272,139.84/207,141.89
  6. Step 6: Final answer
    x = 86,053.44

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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.