Home / 109,430.55-164,145.83-30,544.65

Finding the Fourth Proportional to 109,430.55, 164,145.83 and 30,544.65

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Solution

The fourth proportional to 109,430.55, 164,145.83 and 30,544.65 is: 45,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,430.55 : 164,145.83 = 30,544.65 : x
  2. Step 2: Convert to fraction form
    109,430.55/164,145.83 = 30,544.65/x
  3. Step 3: Cross multiply
    109,430.55x = 164,145.83 × 30,544.65
  4. Step 4: Simplify right side
    109,430.55x = 5,013,776,773.59
  5. Step 5: Solve for x
    x = 5,013,776,773.59/109,430.55
  6. Step 6: Final answer
    x = 45,816.98

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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.