Home / 160,175.12-221,042.04-92,196.32

Finding the Fourth Proportional to 160,175.12, 221,042.04 and 92,196.32

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Solution

The fourth proportional to 160,175.12, 221,042.04 and 92,196.32 is: 127,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,175.12 : 221,042.04 = 92,196.32 : x
  2. Step 2: Convert to fraction form
    160,175.12/221,042.04 = 92,196.32/x
  3. Step 3: Cross multiply
    160,175.12x = 221,042.04 × 92,196.32
  4. Step 4: Simplify right side
    160,175.12x = 20,379,262,653.29
  5. Step 5: Solve for x
    x = 20,379,262,653.29/160,175.12
  6. Step 6: Final answer
    x = 127,231.14

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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.