Home / 210,269.04-290,127.96-120,827.76

Finding the Fourth Proportional to 210,269.04, 290,127.96 and 120,827.76

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Solution

The fourth proportional to 210,269.04, 290,127.96 and 120,827.76 is: 166,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,269.04 : 290,127.96 = 120,827.76 : x
  2. Step 2: Convert to fraction form
    210,269.04/290,127.96 = 120,827.76/x
  3. Step 3: Cross multiply
    210,269.04x = 290,127.96 × 120,827.76
  4. Step 4: Simplify right side
    210,269.04x = 35,055,511,520.17
  5. Step 5: Solve for x
    x = 35,055,511,520.17/210,269.04
  6. Step 6: Final answer
    x = 166,717.42

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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.