Home / 212,133.53-292,749.43-115,343.06

Finding the Fourth Proportional to 212,133.53, 292,749.43 and 115,343.06

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Solution

The fourth proportional to 212,133.53, 292,749.43 and 115,343.06 is: 159,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,133.53 : 292,749.43 = 115,343.06 : x
  2. Step 2: Convert to fraction form
    212,133.53/292,749.43 = 115,343.06/x
  3. Step 3: Cross multiply
    212,133.53x = 292,749.43 × 115,343.06
  4. Step 4: Simplify right side
    212,133.53x = 33,766,615,841.49
  5. Step 5: Solve for x
    x = 33,766,615,841.49/212,133.53
  6. Step 6: Final answer
    x = 159,176.23

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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.