Home / 78,160.55-117,144.57-44,454.83

Finding the Fourth Proportional to 78,160.55, 117,144.57 and 44,454.83

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Solution

The fourth proportional to 78,160.55, 117,144.57 and 44,454.83 is: 66,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,160.55 : 117,144.57 = 44,454.83 : x
  2. Step 2: Convert to fraction form
    78,160.55/117,144.57 = 44,454.83/x
  3. Step 3: Cross multiply
    78,160.55x = 117,144.57 × 44,454.83
  4. Step 4: Simplify right side
    78,160.55x = 5,207,642,237.63
  5. Step 5: Solve for x
    x = 5,207,642,237.63/78,160.55
  6. Step 6: Final answer
    x = 66,627.50

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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.