Home / 199,359.11-298,700.14-120,307.23

Finding the Fourth Proportional to 199,359.11, 298,700.14 and 120,307.23

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Solution

The fourth proportional to 199,359.11, 298,700.14 and 120,307.23 is: 180,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,359.11 : 298,700.14 = 120,307.23 : x
  2. Step 2: Convert to fraction form
    199,359.11/298,700.14 = 120,307.23/x
  3. Step 3: Cross multiply
    199,359.11x = 298,700.14 × 120,307.23
  4. Step 4: Simplify right side
    199,359.11x = 35,935,786,444.01
  5. Step 5: Solve for x
    x = 35,935,786,444.01/199,359.11
  6. Step 6: Final answer
    x = 180,256.56

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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.