Home / 115,275.43-159,056.03-69,977.26

Finding the Fourth Proportional to 115,275.43, 159,056.03 and 69,977.26

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Solution

The fourth proportional to 115,275.43, 159,056.03 and 69,977.26 is: 96,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,275.43 : 159,056.03 = 69,977.26 : x
  2. Step 2: Convert to fraction form
    115,275.43/159,056.03 = 69,977.26/x
  3. Step 3: Cross multiply
    115,275.43x = 159,056.03 × 69,977.26
  4. Step 4: Simplify right side
    115,275.43x = 11,130,305,539.64
  5. Step 5: Solve for x
    x = 11,130,305,539.64/115,275.43
  6. Step 6: Final answer
    x = 96,554.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.