Home / 212,147.14-292,760.85-157,941.67

Finding the Fourth Proportional to 212,147.14, 292,760.85 and 157,941.67

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Solution

The fourth proportional to 212,147.14, 292,760.85 and 157,941.67 is: 217,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,147.14 : 292,760.85 = 157,941.67 : x
  2. Step 2: Convert to fraction form
    212,147.14/292,760.85 = 157,941.67/x
  3. Step 3: Cross multiply
    212,147.14x = 292,760.85 × 157,941.67
  4. Step 4: Simplify right side
    212,147.14x = 46,239,137,559.62
  5. Step 5: Solve for x
    x = 46,239,137,559.62/212,147.14
  6. Step 6: Final answer
    x = 217,957.86

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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.