Home / 110,285.60-165,428.40-105,216.80

Finding the Fourth Proportional to 110,285.60, 165,428.40 and 105,216.80

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Solution

The fourth proportional to 110,285.60, 165,428.40 and 105,216.80 is: 157,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,285.60 : 165,428.40 = 105,216.80 : x
  2. Step 2: Convert to fraction form
    110,285.60/165,428.40 = 105,216.80/x
  3. Step 3: Cross multiply
    110,285.60x = 165,428.40 × 105,216.80
  4. Step 4: Simplify right side
    110,285.60x = 17,405,846,877.12
  5. Step 5: Solve for x
    x = 17,405,846,877.12/110,285.60
  6. Step 6: Final answer
    x = 157,825.20

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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.