Home / 115,712.64-173,568.96-109,802.88

Finding the Fourth Proportional to 115,712.64, 173,568.96 and 109,802.88

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Solution

The fourth proportional to 115,712.64, 173,568.96 and 109,802.88 is: 164,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,712.64 : 173,568.96 = 109,802.88 : x
  2. Step 2: Convert to fraction form
    115,712.64/173,568.96 = 109,802.88/x
  3. Step 3: Cross multiply
    115,712.64x = 173,568.96 × 109,802.88
  4. Step 4: Simplify right side
    115,712.64x = 19,058,371,686.60
  5. Step 5: Solve for x
    x = 19,058,371,686.60/115,712.64
  6. Step 6: Final answer
    x = 164,704.32

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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.