Home / 210,548.62-290,555.40-115,053.58

Finding the Fourth Proportional to 210,548.62, 290,555.40 and 115,053.58

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Solution

The fourth proportional to 210,548.62, 290,555.40 and 115,053.58 is: 158,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,548.62 : 290,555.40 = 115,053.58 : x
  2. Step 2: Convert to fraction form
    210,548.62/290,555.40 = 115,053.58/x
  3. Step 3: Cross multiply
    210,548.62x = 290,555.40 × 115,053.58
  4. Step 4: Simplify right side
    210,548.62x = 33,429,438,958.33
  5. Step 5: Solve for x
    x = 33,429,438,958.33/210,548.62
  6. Step 6: Final answer
    x = 158,773.01

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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.