Home / 160,170.80-221,028.76-87,572.36

Finding the Fourth Proportional to 160,170.80, 221,028.76 and 87,572.36

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Solution

The fourth proportional to 160,170.80, 221,028.76 and 87,572.36 is: 120,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,170.80 : 221,028.76 = 87,572.36 : x
  2. Step 2: Convert to fraction form
    160,170.80/221,028.76 = 87,572.36/x
  3. Step 3: Cross multiply
    160,170.80x = 221,028.76 × 87,572.36
  4. Step 4: Simplify right side
    160,170.80x = 19,356,010,141.07
  5. Step 5: Solve for x
    x = 19,356,010,141.07/160,170.80
  6. Step 6: Final answer
    x = 120,846.06

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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.