Home / 199,341.72-299,011.62-66,231.96

Finding the Fourth Proportional to 199,341.72, 299,011.62 and 66,231.96

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Solution

The fourth proportional to 199,341.72, 299,011.62 and 66,231.96 is: 99,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,341.72 : 299,011.62 = 66,231.96 : x
  2. Step 2: Convert to fraction form
    199,341.72/299,011.62 = 66,231.96/x
  3. Step 3: Cross multiply
    199,341.72x = 299,011.62 × 66,231.96
  4. Step 4: Simplify right side
    199,341.72x = 19,804,125,655.38
  5. Step 5: Solve for x
    x = 19,804,125,655.38/199,341.72
  6. Step 6: Final answer
    x = 99,347.62

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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.