Home / 286,167.20-429,056.40-108,647.60

Finding the Fourth Proportional to 286,167.20, 429,056.40 and 108,647.60

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Solution

The fourth proportional to 286,167.20, 429,056.40 and 108,647.60 is: 162,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,167.20 : 429,056.40 = 108,647.60 : x
  2. Step 2: Convert to fraction form
    286,167.20/429,056.40 = 108,647.60/x
  3. Step 3: Cross multiply
    286,167.20x = 429,056.40 × 108,647.60
  4. Step 4: Simplify right side
    286,167.20x = 46,615,948,124.64
  5. Step 5: Solve for x
    x = 46,615,948,124.64/286,167.20
  6. Step 6: Final answer
    x = 162,897.59

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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.