Home / 146,928.60-220,391.96-70,938.45

Finding the Fourth Proportional to 146,928.60, 220,391.96 and 70,938.45

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Solution

The fourth proportional to 146,928.60, 220,391.96 and 70,938.45 is: 106,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,928.60 : 220,391.96 = 70,938.45 : x
  2. Step 2: Convert to fraction form
    146,928.60/220,391.96 = 70,938.45/x
  3. Step 3: Cross multiply
    146,928.60x = 220,391.96 × 70,938.45
  4. Step 4: Simplify right side
    146,928.60x = 15,634,263,680.17
  5. Step 5: Solve for x
    x = 15,634,263,680.17/146,928.60
  6. Step 6: Final answer
    x = 106,407.22

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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.