Home / 108,983.85-163,477.83-30,100.17

Finding the Fourth Proportional to 108,983.85, 163,477.83 and 30,100.17

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Solution

The fourth proportional to 108,983.85, 163,477.83 and 30,100.17 is: 45,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,983.85 : 163,477.83 = 30,100.17 : x
  2. Step 2: Convert to fraction form
    108,983.85/163,477.83 = 30,100.17/x
  3. Step 3: Cross multiply
    108,983.85x = 163,477.83 × 30,100.17
  4. Step 4: Simplify right side
    108,983.85x = 4,920,710,474.23
  5. Step 5: Solve for x
    x = 4,920,710,474.23/108,983.85
  6. Step 6: Final answer
    x = 45,150.82

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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.