Home / 210,362.40-290,301.70-119,725.26

Finding the Fourth Proportional to 210,362.40, 290,301.70 and 119,725.26

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Solution

The fourth proportional to 210,362.40, 290,301.70 and 119,725.26 is: 165,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,362.40 : 290,301.70 = 119,725.26 : x
  2. Step 2: Convert to fraction form
    210,362.40/290,301.70 = 119,725.26/x
  3. Step 3: Cross multiply
    210,362.40x = 290,301.70 × 119,725.26
  4. Step 4: Simplify right side
    210,362.40x = 34,756,447,460.18
  5. Step 5: Solve for x
    x = 34,756,447,460.18/210,362.40
  6. Step 6: Final answer
    x = 165,221.76

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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.