Home / 194,108.07-290,865.65-130,693.98

Finding the Fourth Proportional to 194,108.07, 290,865.65 and 130,693.98

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Solution

The fourth proportional to 194,108.07, 290,865.65 and 130,693.98 is: 195,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,108.07 : 290,865.65 = 130,693.98 : x
  2. Step 2: Convert to fraction form
    194,108.07/290,865.65 = 130,693.98/x
  3. Step 3: Cross multiply
    194,108.07x = 290,865.65 × 130,693.98
  4. Step 4: Simplify right side
    194,108.07x = 38,014,388,790.32
  5. Step 5: Solve for x
    x = 38,014,388,790.32/194,108.07
  6. Step 6: Final answer
    x = 195,841.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.