Home / 199,538.85-299,405.48-152,137.65

Finding the Fourth Proportional to 199,538.85, 299,405.48 and 152,137.65

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Solution

The fourth proportional to 199,538.85, 299,405.48 and 152,137.65 is: 228,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,538.85 : 299,405.48 = 152,137.65 : x
  2. Step 2: Convert to fraction form
    199,538.85/299,405.48 = 152,137.65/x
  3. Step 3: Cross multiply
    199,538.85x = 299,405.48 × 152,137.65
  4. Step 4: Simplify right side
    199,538.85x = 45,550,845,363.63
  5. Step 5: Solve for x
    x = 45,550,845,363.63/199,538.85
  6. Step 6: Final answer
    x = 228,280.58

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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.