Home / 109,450.60-164,175.90-70,084.60

Finding the Fourth Proportional to 109,450.60, 164,175.90 and 70,084.60

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Solution

The fourth proportional to 109,450.60, 164,175.90 and 70,084.60 is: 105,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,450.60 : 164,175.90 = 70,084.60 : x
  2. Step 2: Convert to fraction form
    109,450.60/164,175.90 = 70,084.60/x
  3. Step 3: Cross multiply
    109,450.60x = 164,175.90 × 70,084.60
  4. Step 4: Simplify right side
    109,450.60x = 11,506,202,281.14
  5. Step 5: Solve for x
    x = 11,506,202,281.14/109,450.60
  6. Step 6: Final answer
    x = 105,126.90

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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.