Home / 210,200.47-290,082.81-114,713.31

Finding the Fourth Proportional to 210,200.47, 290,082.81 and 114,713.31

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Solution

The fourth proportional to 210,200.47, 290,082.81 and 114,713.31 is: 158,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200.47 : 290,082.81 = 114,713.31 : x
  2. Step 2: Convert to fraction form
    210,200.47/290,082.81 = 114,713.31/x
  3. Step 3: Cross multiply
    210,200.47x = 290,082.81 × 114,713.31
  4. Step 4: Simplify right side
    210,200.47x = 33,276,359,309.20
  5. Step 5: Solve for x
    x = 33,276,359,309.20/210,200.47
  6. Step 6: Final answer
    x = 158,307.73

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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.