Home / 160,055.37-220,922.43-105,647.25

Finding the Fourth Proportional to 160,055.37, 220,922.43 and 105,647.25

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Solution

The fourth proportional to 160,055.37, 220,922.43 and 105,647.25 is: 145,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,055.37 : 220,922.43 = 105,647.25 : x
  2. Step 2: Convert to fraction form
    160,055.37/220,922.43 = 105,647.25/x
  3. Step 3: Cross multiply
    160,055.37x = 220,922.43 × 105,647.25
  4. Step 4: Simplify right side
    160,055.37x = 23,339,847,192.82
  5. Step 5: Solve for x
    x = 23,339,847,192.82/160,055.37
  6. Step 6: Final answer
    x = 145,823.58

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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.