Home / 112,409.20-168,565.20-56,227.60

Finding the Fourth Proportional to 112,409.20, 168,565.20 and 56,227.60

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Solution

The fourth proportional to 112,409.20, 168,565.20 and 56,227.60 is: 84,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,409.20 : 168,565.20 = 56,227.60 : x
  2. Step 2: Convert to fraction form
    112,409.20/168,565.20 = 56,227.60/x
  3. Step 3: Cross multiply
    112,409.20x = 168,565.20 × 56,227.60
  4. Step 4: Simplify right side
    112,409.20x = 9,478,016,639.52
  5. Step 5: Solve for x
    x = 9,478,016,639.52/112,409.20
  6. Step 6: Final answer
    x = 84,317.09

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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.