Home / 199,530.30-299,295.45-124,880.70

Finding the Fourth Proportional to 199,530.30, 299,295.45 and 124,880.70

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Solution

The fourth proportional to 199,530.30, 299,295.45 and 124,880.70 is: 187,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530.30 : 299,295.45 = 124,880.70 : x
  2. Step 2: Convert to fraction form
    199,530.30/299,295.45 = 124,880.70/x
  3. Step 3: Cross multiply
    199,530.30x = 299,295.45 × 124,880.70
  4. Step 4: Simplify right side
    199,530.30x = 37,376,225,302.82
  5. Step 5: Solve for x
    x = 37,376,225,302.82/199,530.30
  6. Step 6: Final answer
    x = 187,321.05

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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.