Home / 212,713.68-293,541.13-115,918.41

Finding the Fourth Proportional to 212,713.68, 293,541.13 and 115,918.41

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Solution

The fourth proportional to 212,713.68, 293,541.13 and 115,918.41 is: 159,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,713.68 : 293,541.13 = 115,918.41 : x
  2. Step 2: Convert to fraction form
    212,713.68/293,541.13 = 115,918.41/x
  3. Step 3: Cross multiply
    212,713.68x = 293,541.13 × 115,918.41
  4. Step 4: Simplify right side
    212,713.68x = 34,026,821,059.20
  5. Step 5: Solve for x
    x = 34,026,821,059.20/212,713.68
  6. Step 6: Final answer
    x = 159,965.36

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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.