Home / 210,201.47-290,084.19-114,714.31

Finding the Fourth Proportional to 210,201.47, 290,084.19 and 114,714.31

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Solution

The fourth proportional to 210,201.47, 290,084.19 and 114,714.31 is: 158,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,201.47 : 290,084.19 = 114,714.31 : x
  2. Step 2: Convert to fraction form
    210,201.47/290,084.19 = 114,714.31/x
  3. Step 3: Cross multiply
    210,201.47x = 290,084.19 × 114,714.31
  4. Step 4: Simplify right side
    210,201.47x = 33,276,807,697.76
  5. Step 5: Solve for x
    x = 33,276,807,697.76/210,201.47
  6. Step 6: Final answer
    x = 158,309.11

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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.