Home / 110,059.20-165,069.60-39,902.40

Finding the Fourth Proportional to 110,059.20, 165,069.60 and 39,902.40

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Solution

The fourth proportional to 110,059.20, 165,069.60 and 39,902.40 is: 59,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,059.20 : 165,069.60 = 39,902.40 : x
  2. Step 2: Convert to fraction form
    110,059.20/165,069.60 = 39,902.40/x
  3. Step 3: Cross multiply
    110,059.20x = 165,069.60 × 39,902.40
  4. Step 4: Simplify right side
    110,059.20x = 6,586,673,207.04
  5. Step 5: Solve for x
    x = 6,586,673,207.04/110,059.20
  6. Step 6: Final answer
    x = 59,846.64

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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.