Home / 77,775.36-116,680.04-25,190.16

Finding the Fourth Proportional to 77,775.36, 116,680.04 and 25,190.16

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Solution

The fourth proportional to 77,775.36, 116,680.04 and 25,190.16 is: 37,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,775.36 : 116,680.04 = 25,190.16 : x
  2. Step 2: Convert to fraction form
    77,775.36/116,680.04 = 25,190.16/x
  3. Step 3: Cross multiply
    77,775.36x = 116,680.04 × 25,190.16
  4. Step 4: Simplify right side
    77,775.36x = 2,939,188,750.46
  5. Step 5: Solve for x
    x = 2,939,188,750.46/77,775.36
  6. Step 6: Final answer
    x = 37,790.74

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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.