Home / 230,661.48-318,258.52-140,015.20

Finding the Fourth Proportional to 230,661.48, 318,258.52 and 140,015.20

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Solution

The fourth proportional to 230,661.48, 318,258.52 and 140,015.20 is: 193,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,661.48 : 318,258.52 = 140,015.20 : x
  2. Step 2: Convert to fraction form
    230,661.48/318,258.52 = 140,015.20/x
  3. Step 3: Cross multiply
    230,661.48x = 318,258.52 × 140,015.20
  4. Step 4: Simplify right side
    230,661.48x = 44,561,030,329.50
  5. Step 5: Solve for x
    x = 44,561,030,329.50/230,661.48
  6. Step 6: Final answer
    x = 193,188.00

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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.