Home / 286,133.76-429,277.18-99,145.26

Finding the Fourth Proportional to 286,133.76, 429,277.18 and 99,145.26

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Solution

The fourth proportional to 286,133.76, 429,277.18 and 99,145.26 is: 148,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,133.76 : 429,277.18 = 99,145.26 : x
  2. Step 2: Convert to fraction form
    286,133.76/429,277.18 = 99,145.26/x
  3. Step 3: Cross multiply
    286,133.76x = 429,277.18 × 99,145.26
  4. Step 4: Simplify right side
    286,133.76x = 42,560,797,623.17
  5. Step 5: Solve for x
    x = 42,560,797,623.17/286,133.76
  6. Step 6: Final answer
    x = 148,744.41

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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.