Home / 160,745.12-240,778.32-128,983.04

Finding the Fourth Proportional to 160,745.12, 240,778.32 and 128,983.04

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Solution

The fourth proportional to 160,745.12, 240,778.32 and 128,983.04 is: 193,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,745.12 : 240,778.32 = 128,983.04 : x
  2. Step 2: Convert to fraction form
    160,745.12/240,778.32 = 128,983.04/x
  3. Step 3: Cross multiply
    160,745.12x = 240,778.32 × 128,983.04
  4. Step 4: Simplify right side
    160,745.12x = 31,056,319,679.69
  5. Step 5: Solve for x
    x = 31,056,319,679.69/160,745.12
  6. Step 6: Final answer
    x = 193,202.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.