Home / 151,325.68-208,821.18-83,329.72

Finding the Fourth Proportional to 151,325.68, 208,821.18 and 83,329.72

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Solution

The fourth proportional to 151,325.68, 208,821.18 and 83,329.72 is: 114,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,325.68 : 208,821.18 = 83,329.72 : x
  2. Step 2: Convert to fraction form
    151,325.68/208,821.18 = 83,329.72/x
  3. Step 3: Cross multiply
    151,325.68x = 208,821.18 × 83,329.72
  4. Step 4: Simplify right side
    151,325.68x = 17,401,010,459.47
  5. Step 5: Solve for x
    x = 17,401,010,459.47/151,325.68
  6. Step 6: Final answer
    x = 114,990.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.