Home / 87,110.75-130,653.83-27,938.74

Finding the Fourth Proportional to 87,110.75, 130,653.83 and 27,938.74

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Solution

The fourth proportional to 87,110.75, 130,653.83 and 27,938.74 is: 41,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,110.75 : 130,653.83 = 27,938.74 : x
  2. Step 2: Convert to fraction form
    87,110.75/130,653.83 = 27,938.74/x
  3. Step 3: Cross multiply
    87,110.75x = 130,653.83 × 27,938.74
  4. Step 4: Simplify right side
    87,110.75x = 3,650,303,386.37
  5. Step 5: Solve for x
    x = 3,650,303,386.37/87,110.75
  6. Step 6: Final answer
    x = 41,904.17

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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.