Home / 199,435.24-299,065.22-74,688.76

Finding the Fourth Proportional to 199,435.24, 299,065.22 and 74,688.76

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Solution

The fourth proportional to 199,435.24, 299,065.22 and 74,688.76 is: 112,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,435.24 : 299,065.22 = 74,688.76 : x
  2. Step 2: Convert to fraction form
    199,435.24/299,065.22 = 74,688.76/x
  3. Step 3: Cross multiply
    199,435.24x = 299,065.22 × 74,688.76
  4. Step 4: Simplify right side
    199,435.24x = 22,336,810,440.93
  5. Step 5: Solve for x
    x = 22,336,810,440.93/199,435.24
  6. Step 6: Final answer
    x = 112,000.32

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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.