Home / 107,066.30-160,607.64-28,179.38

Finding the Fourth Proportional to 107,066.30, 160,607.64 and 28,179.38

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Solution

The fourth proportional to 107,066.30, 160,607.64 and 28,179.38 is: 42,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,066.30 : 160,607.64 = 28,179.38 : x
  2. Step 2: Convert to fraction form
    107,066.30/160,607.64 = 28,179.38/x
  3. Step 3: Cross multiply
    107,066.30x = 160,607.64 × 28,179.38
  4. Step 4: Simplify right side
    107,066.30x = 4,525,822,915.43
  5. Step 5: Solve for x
    x = 4,525,822,915.43/107,066.30
  6. Step 6: Final answer
    x = 42,271.22

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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.