Home / 109,624.20-164,417.73-30,720.30

Finding the Fourth Proportional to 109,624.20, 164,417.73 and 30,720.30

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Solution

The fourth proportional to 109,624.20, 164,417.73 and 30,720.30 is: 46,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,624.20 : 164,417.73 = 30,720.30 : x
  2. Step 2: Convert to fraction form
    109,624.20/164,417.73 = 30,720.30/x
  3. Step 3: Cross multiply
    109,624.20x = 164,417.73 × 30,720.30
  4. Step 4: Simplify right side
    109,624.20x = 5,050,961,990.92
  5. Step 5: Solve for x
    x = 5,050,961,990.92/109,624.20
  6. Step 6: Final answer
    x = 46,075.25

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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.