Home / 212,146.14-292,759.47-157,940.67

Finding the Fourth Proportional to 212,146.14, 292,759.47 and 157,940.67

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Solution

The fourth proportional to 212,146.14, 292,759.47 and 157,940.67 is: 217,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,146.14 : 292,759.47 = 157,940.67 : x
  2. Step 2: Convert to fraction form
    212,146.14/292,759.47 = 157,940.67/x
  3. Step 3: Cross multiply
    212,146.14x = 292,759.47 × 157,940.67
  4. Step 4: Simplify right side
    212,146.14x = 46,238,626,840.64
  5. Step 5: Solve for x
    x = 46,238,626,840.64/212,146.14
  6. Step 6: Final answer
    x = 217,956.48

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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.