Home / 212,174.64-292,808.52-116,688.72

Finding the Fourth Proportional to 212,174.64, 292,808.52 and 116,688.72

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Solution

The fourth proportional to 212,174.64, 292,808.52 and 116,688.72 is: 161,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,174.64 : 292,808.52 = 116,688.72 : x
  2. Step 2: Convert to fraction form
    212,174.64/292,808.52 = 116,688.72/x
  3. Step 3: Cross multiply
    212,174.64x = 292,808.52 × 116,688.72
  4. Step 4: Simplify right side
    212,174.64x = 34,167,451,403.89
  5. Step 5: Solve for x
    x = 34,167,451,403.89/212,174.64
  6. Step 6: Final answer
    x = 161,034.57

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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.