Home / 212,017.96-318,025.32-54,246.16

Finding the Fourth Proportional to 212,017.96, 318,025.32 and 54,246.16

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Solution

The fourth proportional to 212,017.96, 318,025.32 and 54,246.16 is: 81,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,017.96 : 318,025.32 = 54,246.16 : x
  2. Step 2: Convert to fraction form
    212,017.96/318,025.32 = 54,246.16/x
  3. Step 3: Cross multiply
    212,017.96x = 318,025.32 × 54,246.16
  4. Step 4: Simplify right side
    212,017.96x = 17,251,652,392.77
  5. Step 5: Solve for x
    x = 17,251,652,392.77/212,017.96
  6. Step 6: Final answer
    x = 81,368.83

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1.5x scale

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.