Home / 160,388.82-221,317.16-92,428.07

Finding the Fourth Proportional to 160,388.82, 221,317.16 and 92,428.07

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Solution

The fourth proportional to 160,388.82, 221,317.16 and 92,428.07 is: 127,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,388.82 : 221,317.16 = 92,428.07 : x
  2. Step 2: Convert to fraction form
    160,388.82/221,317.16 = 92,428.07/x
  3. Step 3: Cross multiply
    160,388.82x = 221,317.16 × 92,428.07
  4. Step 4: Simplify right side
    160,388.82x = 20,455,916,387.96
  5. Step 5: Solve for x
    x = 20,455,916,387.96/160,388.82
  6. Step 6: Final answer
    x = 127,539.54

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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.