Home / 212,147.28-292,771.08-116,662.32

Finding the Fourth Proportional to 212,147.28, 292,771.08 and 116,662.32

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Solution

The fourth proportional to 212,147.28, 292,771.08 and 116,662.32 is: 160,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,147.28 : 292,771.08 = 116,662.32 : x
  2. Step 2: Convert to fraction form
    212,147.28/292,771.08 = 116,662.32/x
  3. Step 3: Cross multiply
    212,147.28x = 292,771.08 × 116,662.32
  4. Step 4: Simplify right side
    212,147.28x = 34,155,353,421.71
  5. Step 5: Solve for x
    x = 34,155,353,421.71/212,147.28
  6. Step 6: Final answer
    x = 160,998.31

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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.