Home / 286,134.24-429,104.16-99,102

Finding the Fourth Proportional to 286,134.24, 429,104.16 and 99,102

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Solution

The fourth proportional to 286,134.24, 429,104.16 and 99,102 is: 148,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,134.24 : 429,104.16 = 99,102 : x
  2. Step 2: Convert to fraction form
    286,134.24/429,104.16 = 99,102/x
  3. Step 3: Cross multiply
    286,134.24x = 429,104.16 × 99,102
  4. Step 4: Simplify right side
    286,134.24x = 42,525,080,464.32
  5. Step 5: Solve for x
    x = 42,525,080,464.32/286,134.24
  6. Step 6: Final answer
    x = 148,619.33

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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.