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Finding the Fourth Proportional to 160,562, 221,525.88 and 92,570.33

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Solution

The fourth proportional to 160,562, 221,525.88 and 92,570.33 is: 127,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,562 : 221,525.88 = 92,570.33 : x
  2. Step 2: Convert to fraction form
    160,562/221,525.88 = 92,570.33/x
  3. Step 3: Cross multiply
    160,562x = 221,525.88 × 92,570.33
  4. Step 4: Simplify right side
    160,562x = 20,506,723,815.14
  5. Step 5: Solve for x
    x = 20,506,723,815.14/160,562
  6. Step 6: Final answer
    x = 127,718.41

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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.