Home / 94,219.20-130,029.78-53,945.64

Finding the Fourth Proportional to 94,219.20, 130,029.78 and 53,945.64

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Solution

The fourth proportional to 94,219.20, 130,029.78 and 53,945.64 is: 74,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,219.20 : 130,029.78 = 53,945.64 : x
  2. Step 2: Convert to fraction form
    94,219.20/130,029.78 = 53,945.64/x
  3. Step 3: Cross multiply
    94,219.20x = 130,029.78 × 53,945.64
  4. Step 4: Simplify right side
    94,219.20x = 7,014,539,701.16
  5. Step 5: Solve for x
    x = 7,014,539,701.16/94,219.20
  6. Step 6: Final answer
    x = 74,449.15

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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.