Home / 160,147.09-221,004.32-88,528.31

Finding the Fourth Proportional to 160,147.09, 221,004.32 and 88,528.31

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Solution

The fourth proportional to 160,147.09, 221,004.32 and 88,528.31 is: 122,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,147.09 : 221,004.32 = 88,528.31 : x
  2. Step 2: Convert to fraction form
    160,147.09/221,004.32 = 88,528.31/x
  3. Step 3: Cross multiply
    160,147.09x = 221,004.32 × 88,528.31
  4. Step 4: Simplify right side
    160,147.09x = 19,565,138,233.40
  5. Step 5: Solve for x
    x = 19,565,138,233.40/160,147.09
  6. Step 6: Final answer
    x = 122,169.80

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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.