Home / 122,144.74-168,564.58-68,430.20

Finding the Fourth Proportional to 122,144.74, 168,564.58 and 68,430.20

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Solution

The fourth proportional to 122,144.74, 168,564.58 and 68,430.20 is: 94,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,144.74 : 168,564.58 = 68,430.20 : x
  2. Step 2: Convert to fraction form
    122,144.74/168,564.58 = 68,430.20/x
  3. Step 3: Cross multiply
    122,144.74x = 168,564.58 × 68,430.20
  4. Step 4: Simplify right side
    122,144.74x = 11,534,907,922.32
  5. Step 5: Solve for x
    x = 11,534,907,922.32/122,144.74
  6. Step 6: Final answer
    x = 94,436.39

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1.5x scale

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.