Home / 112,215.30-168,096.15-69,965.70

Finding the Fourth Proportional to 112,215.30, 168,096.15 and 69,965.70

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Solution

The fourth proportional to 112,215.30, 168,096.15 and 69,965.70 is: 104,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,215.30 : 168,096.15 = 69,965.70 : x
  2. Step 2: Convert to fraction form
    112,215.30/168,096.15 = 69,965.70/x
  3. Step 3: Cross multiply
    112,215.30x = 168,096.15 × 69,965.70
  4. Step 4: Simplify right side
    112,215.30x = 11,760,964,802.06
  5. Step 5: Solve for x
    x = 11,760,964,802.06/112,215.30
  6. Step 6: Final answer
    x = 104,807.14

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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.