Home / 212,821.02-293,684.94-117,322.02

Finding the Fourth Proportional to 212,821.02, 293,684.94 and 117,322.02

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Solution

The fourth proportional to 212,821.02, 293,684.94 and 117,322.02 is: 161,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,821.02 : 293,684.94 = 117,322.02 : x
  2. Step 2: Convert to fraction form
    212,821.02/293,684.94 = 117,322.02/x
  3. Step 3: Cross multiply
    212,821.02x = 293,684.94 × 117,322.02
  4. Step 4: Simplify right side
    212,821.02x = 34,455,710,404.38
  5. Step 5: Solve for x
    x = 34,455,710,404.38/212,821.02
  6. Step 6: Final answer
    x = 161,899.94

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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.