Home / 210,481.02-290,459.25-114,988.23

Finding the Fourth Proportional to 210,481.02, 290,459.25 and 114,988.23

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Solution

The fourth proportional to 210,481.02, 290,459.25 and 114,988.23 is: 158,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,481.02 : 290,459.25 = 114,988.23 : x
  2. Step 2: Convert to fraction form
    210,481.02/290,459.25 = 114,988.23/x
  3. Step 3: Cross multiply
    210,481.02x = 290,459.25 × 114,988.23
  4. Step 4: Simplify right side
    210,481.02x = 33,399,395,044.63
  5. Step 5: Solve for x
    x = 33,399,395,044.63/210,481.02
  6. Step 6: Final answer
    x = 158,681.27

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1.5x scale

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.