Home / 160,171.80-221,030.14-87,573.36

Finding the Fourth Proportional to 160,171.80, 221,030.14 and 87,573.36

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Solution

The fourth proportional to 160,171.80, 221,030.14 and 87,573.36 is: 120,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,171.80 : 221,030.14 = 87,573.36 : x
  2. Step 2: Convert to fraction form
    160,171.80/221,030.14 = 87,573.36/x
  3. Step 3: Cross multiply
    160,171.80x = 221,030.14 × 87,573.36
  4. Step 4: Simplify right side
    160,171.80x = 19,356,352,021.07
  5. Step 5: Solve for x
    x = 19,356,352,021.07/160,171.80
  6. Step 6: Final answer
    x = 120,847.44

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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.