Home / 87,138.51-130,707.73-24,809.01

Finding the Fourth Proportional to 87,138.51, 130,707.73 and 24,809.01

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Solution

The fourth proportional to 87,138.51, 130,707.73 and 24,809.01 is: 37,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,138.51 : 130,707.73 = 24,809.01 : x
  2. Step 2: Convert to fraction form
    87,138.51/130,707.73 = 24,809.01/x
  3. Step 3: Cross multiply
    87,138.51x = 130,707.73 × 24,809.01
  4. Step 4: Simplify right side
    87,138.51x = 3,242,729,380.65
  5. Step 5: Solve for x
    x = 3,242,729,380.65/87,138.51
  6. Step 6: Final answer
    x = 37,213.51

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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.