Home / 160,619.60-221,656.56-89,000.48

Finding the Fourth Proportional to 160,619.60, 221,656.56 and 89,000.48

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Solution

The fourth proportional to 160,619.60, 221,656.56 and 89,000.48 is: 122,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,619.60 : 221,656.56 = 89,000.48 : x
  2. Step 2: Convert to fraction form
    160,619.60/221,656.56 = 89,000.48/x
  3. Step 3: Cross multiply
    160,619.60x = 221,656.56 × 89,000.48
  4. Step 4: Simplify right side
    160,619.60x = 19,727,540,235.15
  5. Step 5: Solve for x
    x = 19,727,540,235.15/160,619.60
  6. Step 6: Final answer
    x = 122,821.50

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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.