Home / 212,674.08-318,994.38-92,728.20

Finding the Fourth Proportional to 212,674.08, 318,994.38 and 92,728.20

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Solution

The fourth proportional to 212,674.08, 318,994.38 and 92,728.20 is: 139,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,674.08 : 318,994.38 = 92,728.20 : x
  2. Step 2: Convert to fraction form
    212,674.08/318,994.38 = 92,728.20/x
  3. Step 3: Cross multiply
    212,674.08x = 318,994.38 × 92,728.20
  4. Step 4: Simplify right side
    212,674.08x = 29,579,774,667.52
  5. Step 5: Solve for x
    x = 29,579,774,667.52/212,674.08
  6. Step 6: Final answer
    x = 139,085.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.