Home / 77,280.36-116,535.41-76,226.49

Finding the Fourth Proportional to 77,280.36, 116,535.41 and 76,226.49

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Solution

The fourth proportional to 77,280.36, 116,535.41 and 76,226.49 is: 114,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,280.36 : 116,535.41 = 76,226.49 : x
  2. Step 2: Convert to fraction form
    77,280.36/116,535.41 = 76,226.49/x
  3. Step 3: Cross multiply
    77,280.36x = 116,535.41 × 76,226.49
  4. Step 4: Simplify right side
    77,280.36x = 8,883,084,883.88
  5. Step 5: Solve for x
    x = 8,883,084,883.88/77,280.36
  6. Step 6: Final answer
    x = 114,946.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.