Home / 212,516.79-293,262.64-117,005.64

Finding the Fourth Proportional to 212,516.79, 293,262.64 and 117,005.64

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Solution

The fourth proportional to 212,516.79, 293,262.64 and 117,005.64 is: 161,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,516.79 : 293,262.64 = 117,005.64 : x
  2. Step 2: Convert to fraction form
    212,516.79/293,262.64 = 117,005.64/x
  3. Step 3: Cross multiply
    212,516.79x = 293,262.64 × 117,005.64
  4. Step 4: Simplify right side
    212,516.79x = 34,313,382,147.20
  5. Step 5: Solve for x
    x = 34,313,382,147.20/212,516.79
  6. Step 6: Final answer
    x = 161,461.98

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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.