Home / 112,260.30-154,915.35-66,914.90

Finding the Fourth Proportional to 112,260.30, 154,915.35 and 66,914.90

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Solution

The fourth proportional to 112,260.30, 154,915.35 and 66,914.90 is: 92,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,260.30 : 154,915.35 = 66,914.90 : x
  2. Step 2: Convert to fraction form
    112,260.30/154,915.35 = 66,914.90/x
  3. Step 3: Cross multiply
    112,260.30x = 154,915.35 × 66,914.90
  4. Step 4: Simplify right side
    112,260.30x = 10,366,144,379.14
  5. Step 5: Solve for x
    x = 10,366,144,379.14/112,260.30
  6. Step 6: Final answer
    x = 92,340.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.