Home / 199,707.08-299,709.40-146,536.46

Finding the Fourth Proportional to 199,707.08, 299,709.40 and 146,536.46

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Solution

The fourth proportional to 199,707.08, 299,709.40 and 146,536.46 is: 219,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,707.08 : 299,709.40 = 146,536.46 : x
  2. Step 2: Convert to fraction form
    199,707.08/299,709.40 = 146,536.46/x
  3. Step 3: Cross multiply
    199,707.08x = 299,709.40 × 146,536.46
  4. Step 4: Simplify right side
    199,707.08x = 43,918,353,006.18
  5. Step 5: Solve for x
    x = 43,918,353,006.18/199,707.08
  6. Step 6: Final answer
    x = 219,913.85

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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.