Home / 77,718.54-116,453.22-70,245.18

Finding the Fourth Proportional to 77,718.54, 116,453.22 and 70,245.18

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Solution

The fourth proportional to 77,718.54, 116,453.22 and 70,245.18 is: 105,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,718.54 : 116,453.22 = 70,245.18 : x
  2. Step 2: Convert to fraction form
    77,718.54/116,453.22 = 70,245.18/x
  3. Step 3: Cross multiply
    77,718.54x = 116,453.22 × 70,245.18
  4. Step 4: Simplify right side
    77,718.54x = 8,180,277,400.48
  5. Step 5: Solve for x
    x = 8,180,277,400.48/77,718.54
  6. Step 6: Final answer
    x = 105,255.16

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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.