Home / 210,476.49-290,464.02-114,989.37

Finding the Fourth Proportional to 210,476.49, 290,464.02 and 114,989.37

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Solution

The fourth proportional to 210,476.49, 290,464.02 and 114,989.37 is: 158,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,476.49 : 290,464.02 = 114,989.37 : x
  2. Step 2: Convert to fraction form
    210,476.49/290,464.02 = 114,989.37/x
  3. Step 3: Cross multiply
    210,476.49x = 290,464.02 × 114,989.37
  4. Step 4: Simplify right side
    210,476.49x = 33,400,274,667.47
  5. Step 5: Solve for x
    x = 33,400,274,667.47/210,476.49
  6. Step 6: Final answer
    x = 158,688.86

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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.