Home / 286,175.12-429,161.88-117,646.16

Finding the Fourth Proportional to 286,175.12, 429,161.88 and 117,646.16

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Solution

The fourth proportional to 286,175.12, 429,161.88 and 117,646.16 is: 176,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,175.12 : 429,161.88 = 117,646.16 : x
  2. Step 2: Convert to fraction form
    286,175.12/429,161.88 = 117,646.16/x
  3. Step 3: Cross multiply
    286,175.12x = 429,161.88 × 117,646.16
  4. Step 4: Simplify right side
    286,175.12x = 50,489,247,200.38
  5. Step 5: Solve for x
    x = 50,489,247,200.38/286,175.12
  6. Step 6: Final answer
    x = 176,427.80

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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.