Home / 112,308.99-154,985.24-61,321.56

Finding the Fourth Proportional to 112,308.99, 154,985.24 and 61,321.56

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Solution

The fourth proportional to 112,308.99, 154,985.24 and 61,321.56 is: 84,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308.99 : 154,985.24 = 61,321.56 : x
  2. Step 2: Convert to fraction form
    112,308.99/154,985.24 = 61,321.56/x
  3. Step 3: Cross multiply
    112,308.99x = 154,985.24 × 61,321.56
  4. Step 4: Simplify right side
    112,308.99x = 9,503,936,387.17
  5. Step 5: Solve for x
    x = 9,503,936,387.17/112,308.99
  6. Step 6: Final answer
    x = 84,623.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.