Home / 107,321.30-160,852.35-54,703.70

Finding the Fourth Proportional to 107,321.30, 160,852.35 and 54,703.70

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Solution

The fourth proportional to 107,321.30, 160,852.35 and 54,703.70 is: 81,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,321.30 : 160,852.35 = 54,703.70 : x
  2. Step 2: Convert to fraction form
    107,321.30/160,852.35 = 54,703.70/x
  3. Step 3: Cross multiply
    107,321.30x = 160,852.35 × 54,703.70
  4. Step 4: Simplify right side
    107,321.30x = 8,799,218,698.70
  5. Step 5: Solve for x
    x = 8,799,218,698.70/107,321.30
  6. Step 6: Final answer
    x = 81,989.49

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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.