Home / 210,269.80-290,179.20-114,781.60

Finding the Fourth Proportional to 210,269.80, 290,179.20 and 114,781.60

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Solution

The fourth proportional to 210,269.80, 290,179.20 and 114,781.60 is: 158,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,269.80 : 290,179.20 = 114,781.60 : x
  2. Step 2: Convert to fraction form
    210,269.80/290,179.20 = 114,781.60/x
  3. Step 3: Cross multiply
    210,269.80x = 290,179.20 × 114,781.60
  4. Step 4: Simplify right side
    210,269.80x = 33,307,232,862.72
  5. Step 5: Solve for x
    x = 33,307,232,862.72/210,269.80
  6. Step 6: Final answer
    x = 158,402.36

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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.