Home / 154,821.32-213,718.74-104,588.36

Finding the Fourth Proportional to 154,821.32, 213,718.74 and 104,588.36

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Solution

The fourth proportional to 154,821.32, 213,718.74 and 104,588.36 is: 144,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,821.32 : 213,718.74 = 104,588.36 : x
  2. Step 2: Convert to fraction form
    154,821.32/213,718.74 = 104,588.36/x
  3. Step 3: Cross multiply
    154,821.32x = 213,718.74 × 104,588.36
  4. Step 4: Simplify right side
    154,821.32x = 22,352,492,517.87
  5. Step 5: Solve for x
    x = 22,352,492,517.87/154,821.32
  6. Step 6: Final answer
    x = 144,376.06

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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.