Home / 160,760.08-221,838.09-89,137.45

Finding the Fourth Proportional to 160,760.08, 221,838.09 and 89,137.45

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Solution

The fourth proportional to 160,760.08, 221,838.09 and 89,137.45 is: 123,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,760.08 : 221,838.09 = 89,137.45 : x
  2. Step 2: Convert to fraction form
    160,760.08/221,838.09 = 89,137.45/x
  3. Step 3: Cross multiply
    160,760.08x = 221,838.09 × 89,137.45
  4. Step 4: Simplify right side
    160,760.08x = 19,774,080,546.28
  5. Step 5: Solve for x
    x = 19,774,080,546.28/160,760.08
  6. Step 6: Final answer
    x = 123,003.68

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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.