Home / 212,457.60-318,612.96-94,211.64

Finding the Fourth Proportional to 212,457.60, 318,612.96 and 94,211.64

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Solution

The fourth proportional to 212,457.60, 318,612.96 and 94,211.64 is: 141,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,457.60 : 318,612.96 = 94,211.64 : x
  2. Step 2: Convert to fraction form
    212,457.60/318,612.96 = 94,211.64/x
  3. Step 3: Cross multiply
    212,457.60x = 318,612.96 × 94,211.64
  4. Step 4: Simplify right side
    212,457.60x = 30,017,049,486.85
  5. Step 5: Solve for x
    x = 30,017,049,486.85/212,457.60
  6. Step 6: Final answer
    x = 141,284.89

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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.