Home / 146,750.95-220,100.37-66,770.34

Finding the Fourth Proportional to 146,750.95, 220,100.37 and 66,770.34

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Solution

The fourth proportional to 146,750.95, 220,100.37 and 66,770.34 is: 100,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,750.95 : 220,100.37 = 66,770.34 : x
  2. Step 2: Convert to fraction form
    146,750.95/220,100.37 = 66,770.34/x
  3. Step 3: Cross multiply
    146,750.95x = 220,100.37 × 66,770.34
  4. Step 4: Simplify right side
    146,750.95x = 14,696,176,539.03
  5. Step 5: Solve for x
    x = 14,696,176,539.03/146,750.95
  6. Step 6: Final answer
    x = 100,143.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.