Home / 123,880.91-170,949.93-70,166.36

Finding the Fourth Proportional to 123,880.91, 170,949.93 and 70,166.36

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Solution

The fourth proportional to 123,880.91, 170,949.93 and 70,166.36 is: 96,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,880.91 : 170,949.93 = 70,166.36 : x
  2. Step 2: Convert to fraction form
    123,880.91/170,949.93 = 70,166.36/x
  3. Step 3: Cross multiply
    123,880.91x = 170,949.93 × 70,166.36
  4. Step 4: Simplify right side
    123,880.91x = 11,994,935,031.02
  5. Step 5: Solve for x
    x = 11,994,935,031.02/123,880.91
  6. Step 6: Final answer
    x = 96,826.34

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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.