Home / 210,205.05-290,089.38-119,574.15

Finding the Fourth Proportional to 210,205.05, 290,089.38 and 119,574.15

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Solution

The fourth proportional to 210,205.05, 290,089.38 and 119,574.15 is: 165,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,205.05 : 290,089.38 = 119,574.15 : x
  2. Step 2: Convert to fraction form
    210,205.05/290,089.38 = 119,574.15/x
  3. Step 3: Cross multiply
    210,205.05x = 290,089.38 × 119,574.15
  4. Step 4: Simplify right side
    210,205.05x = 34,687,190,439.66
  5. Step 5: Solve for x
    x = 34,687,190,439.66/210,205.05
  6. Step 6: Final answer
    x = 165,015.97

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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.