Home / 109,029.70-163,544.55-56,455.30

Finding the Fourth Proportional to 109,029.70, 163,544.55 and 56,455.30

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Solution

The fourth proportional to 109,029.70, 163,544.55 and 56,455.30 is: 84,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,029.70 : 163,544.55 = 56,455.30 : x
  2. Step 2: Convert to fraction form
    109,029.70/163,544.55 = 56,455.30/x
  3. Step 3: Cross multiply
    109,029.70x = 163,544.55 × 56,455.30
  4. Step 4: Simplify right side
    109,029.70x = 9,232,956,633.62
  5. Step 5: Solve for x
    x = 9,232,956,633.62/109,029.70
  6. Step 6: Final answer
    x = 84,682.95

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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.