Home / 97,724.60-146,586.90-31,164.20

Finding the Fourth Proportional to 97,724.60, 146,586.90 and 31,164.20

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Solution

The fourth proportional to 97,724.60, 146,586.90 and 31,164.20 is: 46,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724.60 : 146,586.90 = 31,164.20 : x
  2. Step 2: Convert to fraction form
    97,724.60/146,586.90 = 31,164.20/x
  3. Step 3: Cross multiply
    97,724.60x = 146,586.90 × 31,164.20
  4. Step 4: Simplify right side
    97,724.60x = 4,568,263,468.98
  5. Step 5: Solve for x
    x = 4,568,263,468.98/97,724.60
  6. Step 6: Final answer
    x = 46,746.30

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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.