Home / 210,172.80-290,042.64-114,682.08

Finding the Fourth Proportional to 210,172.80, 290,042.64 and 114,682.08

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Solution

The fourth proportional to 210,172.80, 290,042.64 and 114,682.08 is: 158,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,172.80 : 290,042.64 = 114,682.08 : x
  2. Step 2: Convert to fraction form
    210,172.80/290,042.64 = 114,682.08/x
  3. Step 3: Cross multiply
    210,172.80x = 290,042.64 × 114,682.08
  4. Step 4: Simplify right side
    210,172.80x = 33,262,693,243.89
  5. Step 5: Solve for x
    x = 33,262,693,243.89/210,172.80
  6. Step 6: Final answer
    x = 158,263.55

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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.