Home / 154,284.49-212,826.92-89,746.46

Finding the Fourth Proportional to 154,284.49, 212,826.92 and 89,746.46

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Solution

The fourth proportional to 154,284.49, 212,826.92 and 89,746.46 is: 123,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,284.49 : 212,826.92 = 89,746.46 : x
  2. Step 2: Convert to fraction form
    154,284.49/212,826.92 = 89,746.46/x
  3. Step 3: Cross multiply
    154,284.49x = 212,826.92 × 89,746.46
  4. Step 4: Simplify right side
    154,284.49x = 19,100,462,662.70
  5. Step 5: Solve for x
    x = 19,100,462,662.70/154,284.49
  6. Step 6: Final answer
    x = 123,800.28

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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.