Home / 149,072.40-223,435.80-60,267.60

Finding the Fourth Proportional to 149,072.40, 223,435.80 and 60,267.60

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Solution

The fourth proportional to 149,072.40, 223,435.80 and 60,267.60 is: 90,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,072.40 : 223,435.80 = 60,267.60 : x
  2. Step 2: Convert to fraction form
    149,072.40/223,435.80 = 60,267.60/x
  3. Step 3: Cross multiply
    149,072.40x = 223,435.80 × 60,267.60
  4. Step 4: Simplify right side
    149,072.40x = 13,465,939,420.08
  5. Step 5: Solve for x
    x = 13,465,939,420.08/149,072.40
  6. Step 6: Final answer
    x = 90,331.54

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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.