Home / 78,388.08-108,176.97-44,403.63

Finding the Fourth Proportional to 78,388.08, 108,176.97 and 44,403.63

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Solution

The fourth proportional to 78,388.08, 108,176.97 and 44,403.63 is: 61,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,388.08 : 108,176.97 = 44,403.63 : x
  2. Step 2: Convert to fraction form
    78,388.08/108,176.97 = 44,403.63/x
  3. Step 3: Cross multiply
    78,388.08x = 108,176.97 × 44,403.63
  4. Step 4: Simplify right side
    78,388.08x = 4,803,450,150.40
  5. Step 5: Solve for x
    x = 4,803,450,150.40/78,388.08
  6. Step 6: Final answer
    x = 61,277.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.