Home / 286,188.24-429,185.16-99,156.08

Finding the Fourth Proportional to 286,188.24, 429,185.16 and 99,156.08

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Solution

The fourth proportional to 286,188.24, 429,185.16 and 99,156.08 is: 148,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,188.24 : 429,185.16 = 99,156.08 : x
  2. Step 2: Convert to fraction form
    286,188.24/429,185.16 = 99,156.08/x
  3. Step 3: Cross multiply
    286,188.24x = 429,185.16 × 99,156.08
  4. Step 4: Simplify right side
    286,188.24x = 42,556,318,059.77
  5. Step 5: Solve for x
    x = 42,556,318,059.77/286,188.24
  6. Step 6: Final answer
    x = 148,700.44

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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.