Home / 210,269.06-290,161.16-119,616.48

Finding the Fourth Proportional to 210,269.06, 290,161.16 and 119,616.48

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Solution

The fourth proportional to 210,269.06, 290,161.16 and 119,616.48 is: 165,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,269.06 : 290,161.16 = 119,616.48 : x
  2. Step 2: Convert to fraction form
    210,269.06/290,161.16 = 119,616.48/x
  3. Step 3: Cross multiply
    210,269.06x = 290,161.16 × 119,616.48
  4. Step 4: Simplify right side
    210,269.06x = 34,708,056,591.92
  5. Step 5: Solve for x
    x = 34,708,056,591.92/210,269.06
  6. Step 6: Final answer
    x = 165,064.97

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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.