Home / 160,254.72-220,906.08-119,907.36

Finding the Fourth Proportional to 160,254.72, 220,906.08 and 119,907.36

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Solution

The fourth proportional to 160,254.72, 220,906.08 and 119,907.36 is: 165,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,254.72 : 220,906.08 = 119,907.36 : x
  2. Step 2: Convert to fraction form
    160,254.72/220,906.08 = 119,907.36/x
  3. Step 3: Cross multiply
    160,254.72x = 220,906.08 × 119,907.36
  4. Step 4: Simplify right side
    160,254.72x = 26,488,264,860.75
  5. Step 5: Solve for x
    x = 26,488,264,860.75/160,254.72
  6. Step 6: Final answer
    x = 165,288.52

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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.