Home / 160,804.16-221,923.37-89,207.25

Finding the Fourth Proportional to 160,804.16, 221,923.37 and 89,207.25

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Solution

The fourth proportional to 160,804.16, 221,923.37 and 89,207.25 is: 123,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,804.16 : 221,923.37 = 89,207.25 : x
  2. Step 2: Convert to fraction form
    160,804.16/221,923.37 = 89,207.25/x
  3. Step 3: Cross multiply
    160,804.16x = 221,923.37 × 89,207.25
  4. Step 4: Simplify right side
    160,804.16x = 19,797,173,771.45
  5. Step 5: Solve for x
    x = 19,797,173,771.45/160,804.16
  6. Step 6: Final answer
    x = 123,113.57

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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.