Home / 164,920.20-247,380.30-105,822.60

Finding the Fourth Proportional to 164,920.20, 247,380.30 and 105,822.60

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Solution

The fourth proportional to 164,920.20, 247,380.30 and 105,822.60 is: 158,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,920.20 : 247,380.30 = 105,822.60 : x
  2. Step 2: Convert to fraction form
    164,920.20/247,380.30 = 105,822.60/x
  3. Step 3: Cross multiply
    164,920.20x = 247,380.30 × 105,822.60
  4. Step 4: Simplify right side
    164,920.20x = 26,178,426,534.78
  5. Step 5: Solve for x
    x = 26,178,426,534.78/164,920.20
  6. Step 6: Final answer
    x = 158,733.90

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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.