Home / 160,628.40-221,770.80-103,293.36

Finding the Fourth Proportional to 160,628.40, 221,770.80 and 103,293.36

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Solution

The fourth proportional to 160,628.40, 221,770.80 and 103,293.36 is: 142,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,628.40 : 221,770.80 = 103,293.36 : x
  2. Step 2: Convert to fraction form
    160,628.40/221,770.80 = 103,293.36/x
  3. Step 3: Cross multiply
    160,628.40x = 221,770.80 × 103,293.36
  4. Step 4: Simplify right side
    160,628.40x = 22,907,451,081.89
  5. Step 5: Solve for x
    x = 22,907,451,081.89/160,628.40
  6. Step 6: Final answer
    x = 142,611.46

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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.