Home / 160,198.72-221,075.36-87,601.93

Finding the Fourth Proportional to 160,198.72, 221,075.36 and 87,601.93

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Solution

The fourth proportional to 160,198.72, 221,075.36 and 87,601.93 is: 120,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,198.72 : 221,075.36 = 87,601.93 : x
  2. Step 2: Convert to fraction form
    160,198.72/221,075.36 = 87,601.93/x
  3. Step 3: Cross multiply
    160,198.72x = 221,075.36 × 87,601.93
  4. Step 4: Simplify right side
    160,198.72x = 19,366,627,549.25
  5. Step 5: Solve for x
    x = 19,366,627,549.25/160,198.72
  6. Step 6: Final answer
    x = 120,891.28

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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.