Home / 160,429.21-221,295.24-103,049.01

Finding the Fourth Proportional to 160,429.21, 221,295.24 and 103,049.01

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Solution

The fourth proportional to 160,429.21, 221,295.24 and 103,049.01 is: 142,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,429.21 : 221,295.24 = 103,049.01 : x
  2. Step 2: Convert to fraction form
    160,429.21/221,295.24 = 103,049.01/x
  3. Step 3: Cross multiply
    160,429.21x = 221,295.24 × 103,049.01
  4. Step 4: Simplify right side
    160,429.21x = 22,804,255,399.71
  5. Step 5: Solve for x
    x = 22,804,255,399.71/160,429.21
  6. Step 6: Final answer
    x = 142,145.28

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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.