Home / 109,346.10-164,019.15-82,907.70

Finding the Fourth Proportional to 109,346.10, 164,019.15 and 82,907.70

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Solution

The fourth proportional to 109,346.10, 164,019.15 and 82,907.70 is: 124,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,346.10 : 164,019.15 = 82,907.70 : x
  2. Step 2: Convert to fraction form
    109,346.10/164,019.15 = 82,907.70/x
  3. Step 3: Cross multiply
    109,346.10x = 164,019.15 × 82,907.70
  4. Step 4: Simplify right side
    109,346.10x = 13,598,450,482.46
  5. Step 5: Solve for x
    x = 13,598,450,482.46/109,346.10
  6. Step 6: Final answer
    x = 124,361.55

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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.