Home / 245,128.23-338,311.01-137,706.44

Finding the Fourth Proportional to 245,128.23, 338,311.01 and 137,706.44

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Solution

The fourth proportional to 245,128.23, 338,311.01 and 137,706.44 is: 190,054.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,128.23 : 338,311.01 = 137,706.44 : x
  2. Step 2: Convert to fraction form
    245,128.23/338,311.01 = 137,706.44/x
  3. Step 3: Cross multiply
    245,128.23x = 338,311.01 × 137,706.44
  4. Step 4: Simplify right side
    245,128.23x = 46,587,602,419.82
  5. Step 5: Solve for x
    x = 46,587,602,419.82/245,128.23
  6. Step 6: Final answer
    x = 190,054.01

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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.