Home / 286,185.20-429,139.52-167,894.96

Finding the Fourth Proportional to 286,185.20, 429,139.52 and 167,894.96

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Solution

The fourth proportional to 286,185.20, 429,139.52 and 167,894.96 is: 251,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,185.20 : 429,139.52 = 167,894.96 : x
  2. Step 2: Convert to fraction form
    286,185.20/429,139.52 = 167,894.96/x
  3. Step 3: Cross multiply
    286,185.20x = 429,139.52 × 167,894.96
  4. Step 4: Simplify right side
    286,185.20x = 72,050,362,544.82
  5. Step 5: Solve for x
    x = 72,050,362,544.82/286,185.20
  6. Step 6: Final answer
    x = 251,761.32

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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.