Home / 260,534.20-390,801.30-110,724.70

Finding the Fourth Proportional to 260,534.20, 390,801.30 and 110,724.70

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Solution

The fourth proportional to 260,534.20, 390,801.30 and 110,724.70 is: 166,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,534.20 : 390,801.30 = 110,724.70 : x
  2. Step 2: Convert to fraction form
    260,534.20/390,801.30 = 110,724.70/x
  3. Step 3: Cross multiply
    260,534.20x = 390,801.30 × 110,724.70
  4. Step 4: Simplify right side
    260,534.20x = 43,271,356,702.11
  5. Step 5: Solve for x
    x = 43,271,356,702.11/260,534.20
  6. Step 6: Final answer
    x = 166,087.05

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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.