Home / 117,386.64-175,881.24-83,936.88

Finding the Fourth Proportional to 117,386.64, 175,881.24 and 83,936.88

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Solution

The fourth proportional to 117,386.64, 175,881.24 and 83,936.88 is: 125,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,386.64 : 175,881.24 = 83,936.88 : x
  2. Step 2: Convert to fraction form
    117,386.64/175,881.24 = 83,936.88/x
  3. Step 3: Cross multiply
    117,386.64x = 175,881.24 × 83,936.88
  4. Step 4: Simplify right side
    117,386.64x = 14,762,922,536.13
  5. Step 5: Solve for x
    x = 14,762,922,536.13/117,386.64
  6. Step 6: Final answer
    x = 125,763.23

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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.