Home / 202,156.67-302,989.03-143,009.39

Finding the Fourth Proportional to 202,156.67, 302,989.03 and 143,009.39

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Solution

The fourth proportional to 202,156.67, 302,989.03 and 143,009.39 is: 214,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,156.67 : 302,989.03 = 143,009.39 : x
  2. Step 2: Convert to fraction form
    202,156.67/302,989.03 = 143,009.39/x
  3. Step 3: Cross multiply
    202,156.67x = 302,989.03 × 143,009.39
  4. Step 4: Simplify right side
    202,156.67x = 43,330,276,756.94
  5. Step 5: Solve for x
    x = 43,330,276,756.94/202,156.67
  6. Step 6: Final answer
    x = 214,340.08

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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.