Home / 189,219.08-283,792.98-70,865.12

Finding the Fourth Proportional to 189,219.08, 283,792.98 and 70,865.12

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Solution

The fourth proportional to 189,219.08, 283,792.98 and 70,865.12 is: 106,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,219.08 : 283,792.98 = 70,865.12 : x
  2. Step 2: Convert to fraction form
    189,219.08/283,792.98 = 70,865.12/x
  3. Step 3: Cross multiply
    189,219.08x = 283,792.98 × 70,865.12
  4. Step 4: Simplify right side
    189,219.08x = 20,111,023,582.86
  5. Step 5: Solve for x
    x = 20,111,023,582.86/189,219.08
  6. Step 6: Final answer
    x = 106,284.33

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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.