Home / 285,646.68-428,172.84-95,966.28

Finding the Fourth Proportional to 285,646.68, 428,172.84 and 95,966.28

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Solution

The fourth proportional to 285,646.68, 428,172.84 and 95,966.28 is: 143,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,646.68 : 428,172.84 = 95,966.28 : x
  2. Step 2: Convert to fraction form
    285,646.68/428,172.84 = 95,966.28/x
  3. Step 3: Cross multiply
    285,646.68x = 428,172.84 × 95,966.28
  4. Step 4: Simplify right side
    285,646.68x = 41,090,154,651.84
  5. Step 5: Solve for x
    x = 41,090,154,651.84/285,646.68
  6. Step 6: Final answer
    x = 143,849.58

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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.