Home / 160,708.20-221,779.32-92,739.28

Finding the Fourth Proportional to 160,708.20, 221,779.32 and 92,739.28

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Solution

The fourth proportional to 160,708.20, 221,779.32 and 92,739.28 is: 127,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,708.20 : 221,779.32 = 92,739.28 : x
  2. Step 2: Convert to fraction form
    160,708.20/221,779.32 = 92,739.28/x
  3. Step 3: Cross multiply
    160,708.20x = 221,779.32 × 92,739.28
  4. Step 4: Simplify right side
    160,708.20x = 20,567,652,883.10
  5. Step 5: Solve for x
    x = 20,567,652,883.10/160,708.20
  6. Step 6: Final answer
    x = 127,981.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.