Home / 155,631.40-233,447.10-137,260.60

Finding the Fourth Proportional to 155,631.40, 233,447.10 and 137,260.60

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Solution

The fourth proportional to 155,631.40, 233,447.10 and 137,260.60 is: 205,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,631.40 : 233,447.10 = 137,260.60 : x
  2. Step 2: Convert to fraction form
    155,631.40/233,447.10 = 137,260.60/x
  3. Step 3: Cross multiply
    155,631.40x = 233,447.10 × 137,260.60
  4. Step 4: Simplify right side
    155,631.40x = 32,043,089,014.26
  5. Step 5: Solve for x
    x = 32,043,089,014.26/155,631.40
  6. Step 6: Final answer
    x = 205,890.90

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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.