Home / 98,050.40-135,311.46-55,608.20

Finding the Fourth Proportional to 98,050.40, 135,311.46 and 55,608.20

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Solution

The fourth proportional to 98,050.40, 135,311.46 and 55,608.20 is: 76,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,050.40 : 135,311.46 = 55,608.20 : x
  2. Step 2: Convert to fraction form
    98,050.40/135,311.46 = 55,608.20/x
  3. Step 3: Cross multiply
    98,050.40x = 135,311.46 × 55,608.20
  4. Step 4: Simplify right side
    98,050.40x = 7,524,426,729.97
  5. Step 5: Solve for x
    x = 7,524,426,729.97/98,050.40
  6. Step 6: Final answer
    x = 76,740.40

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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.