Home / 199,386.80-298,977.60-59,127.20

Finding the Fourth Proportional to 199,386.80, 298,977.60 and 59,127.20

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Solution

The fourth proportional to 199,386.80, 298,977.60 and 59,127.20 is: 88,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,386.80 : 298,977.60 = 59,127.20 : x
  2. Step 2: Convert to fraction form
    199,386.80/298,977.60 = 59,127.20/x
  3. Step 3: Cross multiply
    199,386.80x = 298,977.60 × 59,127.20
  4. Step 4: Simplify right side
    199,386.80x = 17,677,708,350.72
  5. Step 5: Solve for x
    x = 17,677,708,350.72/199,386.80
  6. Step 6: Final answer
    x = 88,660.37

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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.