Home / 210,197.10-290,069.61-114,705.42

Finding the Fourth Proportional to 210,197.10, 290,069.61 and 114,705.42

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Solution

The fourth proportional to 210,197.10, 290,069.61 and 114,705.42 is: 158,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,197.10 : 290,069.61 = 114,705.42 : x
  2. Step 2: Convert to fraction form
    210,197.10/290,069.61 = 114,705.42/x
  3. Step 3: Cross multiply
    210,197.10x = 290,069.61 × 114,705.42
  4. Step 4: Simplify right side
    210,197.10x = 33,272,556,444.29
  5. Step 5: Solve for x
    x = 33,272,556,444.29/210,197.10
  6. Step 6: Final answer
    x = 158,292.18

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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.