Home / 106,329.80-159,624.30-53,712.20

Finding the Fourth Proportional to 106,329.80, 159,624.30 and 53,712.20

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Solution

The fourth proportional to 106,329.80, 159,624.30 and 53,712.20 is: 80,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,329.80 : 159,624.30 = 53,712.20 : x
  2. Step 2: Convert to fraction form
    106,329.80/159,624.30 = 53,712.20/x
  3. Step 3: Cross multiply
    106,329.80x = 159,624.30 × 53,712.20
  4. Step 4: Simplify right side
    106,329.80x = 8,573,772,326.46
  5. Step 5: Solve for x
    x = 8,573,772,326.46/106,329.80
  6. Step 6: Final answer
    x = 80,633.77

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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.