Home / 212,534.88-318,014.86-156,416.44

Finding the Fourth Proportional to 212,534.88, 318,014.86 and 156,416.44

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Solution

The fourth proportional to 212,534.88, 318,014.86 and 156,416.44 is: 234,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,534.88 : 318,014.86 = 156,416.44 : x
  2. Step 2: Convert to fraction form
    212,534.88/318,014.86 = 156,416.44/x
  3. Step 3: Cross multiply
    212,534.88x = 318,014.86 × 156,416.44
  4. Step 4: Simplify right side
    212,534.88x = 49,742,752,268.30
  5. Step 5: Solve for x
    x = 49,742,752,268.30/212,534.88
  6. Step 6: Final answer
    x = 234,045.12

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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.