Home / 132,918.06-199,377.09-39,423

Finding the Fourth Proportional to 132,918.06, 199,377.09 and 39,423

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Solution

The fourth proportional to 132,918.06, 199,377.09 and 39,423 is: 59,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918.06 : 199,377.09 = 39,423 : x
  2. Step 2: Convert to fraction form
    132,918.06/199,377.09 = 39,423/x
  3. Step 3: Cross multiply
    132,918.06x = 199,377.09 × 39,423
  4. Step 4: Simplify right side
    132,918.06x = 7,860,043,019.07
  5. Step 5: Solve for x
    x = 7,860,043,019.07/132,918.06
  6. Step 6: Final answer
    x = 59,134.50

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1.5x scale

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.