Home / 112,453.20-168,652.80-64,965.60

Finding the Fourth Proportional to 112,453.20, 168,652.80 and 64,965.60

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Solution

The fourth proportional to 112,453.20, 168,652.80 and 64,965.60 is: 97,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,453.20 : 168,652.80 = 64,965.60 : x
  2. Step 2: Convert to fraction form
    112,453.20/168,652.80 = 64,965.60/x
  3. Step 3: Cross multiply
    112,453.20x = 168,652.80 × 64,965.60
  4. Step 4: Simplify right side
    112,453.20x = 10,956,630,343.68
  5. Step 5: Solve for x
    x = 10,956,630,343.68/112,453.20
  6. Step 6: Final answer
    x = 97,432.80

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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.