Home / 106,862.85-160,294.28-105,307.65

Finding the Fourth Proportional to 106,862.85, 160,294.28 and 105,307.65

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Solution

The fourth proportional to 106,862.85, 160,294.28 and 105,307.65 is: 157,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,862.85 : 160,294.28 = 105,307.65 : x
  2. Step 2: Convert to fraction form
    106,862.85/160,294.28 = 105,307.65/x
  3. Step 3: Cross multiply
    106,862.85x = 160,294.28 × 105,307.65
  4. Step 4: Simplify right side
    106,862.85x = 16,880,213,408.70
  5. Step 5: Solve for x
    x = 16,880,213,408.70/106,862.85
  6. Step 6: Final answer
    x = 157,961.48

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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.