Home / 175,280.60-263,012.70-80,539.40

Finding the Fourth Proportional to 175,280.60, 263,012.70 and 80,539.40

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Solution

The fourth proportional to 175,280.60, 263,012.70 and 80,539.40 is: 120,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,280.60 : 263,012.70 = 80,539.40 : x
  2. Step 2: Convert to fraction form
    175,280.60/263,012.70 = 80,539.40/x
  3. Step 3: Cross multiply
    175,280.60x = 263,012.70 × 80,539.40
  4. Step 4: Simplify right side
    175,280.60x = 21,182,885,050.38
  5. Step 5: Solve for x
    x = 21,182,885,050.38/175,280.60
  6. Step 6: Final answer
    x = 120,851.28

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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.