Home / 106,386.94-159,603.09-53,107.57

Finding the Fourth Proportional to 106,386.94, 159,603.09 and 53,107.57

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Solution

The fourth proportional to 106,386.94, 159,603.09 and 53,107.57 is: 79,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,386.94 : 159,603.09 = 53,107.57 : x
  2. Step 2: Convert to fraction form
    106,386.94/159,603.09 = 53,107.57/x
  3. Step 3: Cross multiply
    106,386.94x = 159,603.09 × 53,107.57
  4. Step 4: Simplify right side
    106,386.94x = 8,476,132,274.39
  5. Step 5: Solve for x
    x = 8,476,132,274.39/106,386.94
  6. Step 6: Final answer
    x = 79,672.68

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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.