Home / 97,739.76-146,621.18-31,156.55

Finding the Fourth Proportional to 97,739.76, 146,621.18 and 31,156.55

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Solution

The fourth proportional to 97,739.76, 146,621.18 and 31,156.55 is: 46,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,739.76 : 146,621.18 = 31,156.55 : x
  2. Step 2: Convert to fraction form
    97,739.76/146,621.18 = 31,156.55/x
  3. Step 3: Cross multiply
    97,739.76x = 146,621.18 × 31,156.55
  4. Step 4: Simplify right side
    97,739.76x = 4,568,209,392.62
  5. Step 5: Solve for x
    x = 4,568,209,392.62/97,739.76
  6. Step 6: Final answer
    x = 46,738.50

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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.