Home / 160,629.60-221,670.72-89,010.48

Finding the Fourth Proportional to 160,629.60, 221,670.72 and 89,010.48

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Solution

The fourth proportional to 160,629.60, 221,670.72 and 89,010.48 is: 122,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,629.60 : 221,670.72 = 89,010.48 : x
  2. Step 2: Convert to fraction form
    160,629.60/221,670.72 = 89,010.48/x
  3. Step 3: Cross multiply
    160,629.60x = 221,670.72 × 89,010.48
  4. Step 4: Simplify right side
    160,629.60x = 19,731,017,189.15
  5. Step 5: Solve for x
    x = 19,731,017,189.15/160,629.60
  6. Step 6: Final answer
    x = 122,835.50

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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.