Home / 182,965.60-274,621.20-112,981.60

Finding the Fourth Proportional to 182,965.60, 274,621.20 and 112,981.60

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Solution

The fourth proportional to 182,965.60, 274,621.20 and 112,981.60 is: 169,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,965.60 : 274,621.20 = 112,981.60 : x
  2. Step 2: Convert to fraction form
    182,965.60/274,621.20 = 112,981.60/x
  3. Step 3: Cross multiply
    182,965.60x = 274,621.20 × 112,981.60
  4. Step 4: Simplify right side
    182,965.60x = 31,027,142,569.92
  5. Step 5: Solve for x
    x = 31,027,142,569.92/182,965.60
  6. Step 6: Final answer
    x = 169,579.10

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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.