Home / 179,142.63-268,492.50-90,421.44

Finding the Fourth Proportional to 179,142.63, 268,492.50 and 90,421.44

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Solution

The fourth proportional to 179,142.63, 268,492.50 and 90,421.44 is: 135,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,142.63 : 268,492.50 = 90,421.44 : x
  2. Step 2: Convert to fraction form
    179,142.63/268,492.50 = 90,421.44/x
  3. Step 3: Cross multiply
    179,142.63x = 268,492.50 × 90,421.44
  4. Step 4: Simplify right side
    179,142.63x = 24,277,478,479.20
  5. Step 5: Solve for x
    x = 24,277,478,479.20/179,142.63
  6. Step 6: Final answer
    x = 135,520.39

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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.