Home / 213,461.48-294,490.98-137,982.44

Finding the Fourth Proportional to 213,461.48, 294,490.98 and 137,982.44

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Solution

The fourth proportional to 213,461.48, 294,490.98 and 137,982.44 is: 190,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,461.48 : 294,490.98 = 137,982.44 : x
  2. Step 2: Convert to fraction form
    213,461.48/294,490.98 = 137,982.44/x
  3. Step 3: Cross multiply
    213,461.48x = 294,490.98 × 137,982.44
  4. Step 4: Simplify right side
    213,461.48x = 40,634,583,978.39
  5. Step 5: Solve for x
    x = 40,634,583,978.39/213,461.48
  6. Step 6: Final answer
    x = 190,360.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.