Home / 210,590.74-290,621.91-115,095.34

Finding the Fourth Proportional to 210,590.74, 290,621.91 and 115,095.34

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Solution

The fourth proportional to 210,590.74, 290,621.91 and 115,095.34 is: 158,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,590.74 : 290,621.91 = 115,095.34 : x
  2. Step 2: Convert to fraction form
    210,590.74/290,621.91 = 115,095.34/x
  3. Step 3: Cross multiply
    210,590.74x = 290,621.91 × 115,095.34
  4. Step 4: Simplify right side
    210,590.74x = 33,449,227,542.90
  5. Step 5: Solve for x
    x = 33,449,227,542.90/210,590.74
  6. Step 6: Final answer
    x = 158,835.22

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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.