Home / 134,860.07-202,227.52-78,716.41

Finding the Fourth Proportional to 134,860.07, 202,227.52 and 78,716.41

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Solution

The fourth proportional to 134,860.07, 202,227.52 and 78,716.41 is: 118,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,860.07 : 202,227.52 = 78,716.41 : x
  2. Step 2: Convert to fraction form
    134,860.07/202,227.52 = 78,716.41/x
  3. Step 3: Cross multiply
    134,860.07x = 202,227.52 × 78,716.41
  4. Step 4: Simplify right side
    134,860.07x = 15,918,624,377.60
  5. Step 5: Solve for x
    x = 15,918,624,377.60/134,860.07
  6. Step 6: Final answer
    x = 118,038.08

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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.