Home / 212,565.63-293,353.86-117,072.30

Finding the Fourth Proportional to 212,565.63, 293,353.86 and 117,072.30

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Solution

The fourth proportional to 212,565.63, 293,353.86 and 117,072.30 is: 161,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,565.63 : 293,353.86 = 117,072.30 : x
  2. Step 2: Convert to fraction form
    212,565.63/293,353.86 = 117,072.30/x
  3. Step 3: Cross multiply
    212,565.63x = 293,353.86 × 117,072.30
  4. Step 4: Simplify right side
    212,565.63x = 34,343,611,104.08
  5. Step 5: Solve for x
    x = 34,343,611,104.08/212,565.63
  6. Step 6: Final answer
    x = 161,567.09

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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.