Home / 109,022.80-163,539.60-56,534.80

Finding the Fourth Proportional to 109,022.80, 163,539.60 and 56,534.80

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Solution

The fourth proportional to 109,022.80, 163,539.60 and 56,534.80 is: 84,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,022.80 : 163,539.60 = 56,534.80 : x
  2. Step 2: Convert to fraction form
    109,022.80/163,539.60 = 56,534.80/x
  3. Step 3: Cross multiply
    109,022.80x = 163,539.60 × 56,534.80
  4. Step 4: Simplify right side
    109,022.80x = 9,245,678,578.08
  5. Step 5: Solve for x
    x = 9,245,678,578.08/109,022.80
  6. Step 6: Final answer
    x = 84,805.00

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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.