Home / 109,004.20-163,610.70-56,451.40

Finding the Fourth Proportional to 109,004.20, 163,610.70 and 56,451.40

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Solution

The fourth proportional to 109,004.20, 163,610.70 and 56,451.40 is: 84,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,004.20 : 163,610.70 = 56,451.40 : x
  2. Step 2: Convert to fraction form
    109,004.20/163,610.70 = 56,451.40/x
  3. Step 3: Cross multiply
    109,004.20x = 163,610.70 × 56,451.40
  4. Step 4: Simplify right side
    109,004.20x = 9,236,053,069.98
  5. Step 5: Solve for x
    x = 9,236,053,069.98/109,004.20
  6. Step 6: Final answer
    x = 84,731.17

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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.