Home / 105,012.36-144,891.18-64,166.04

Finding the Fourth Proportional to 105,012.36, 144,891.18 and 64,166.04

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Solution

The fourth proportional to 105,012.36, 144,891.18 and 64,166.04 is: 88,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,012.36 : 144,891.18 = 64,166.04 : x
  2. Step 2: Convert to fraction form
    105,012.36/144,891.18 = 64,166.04/x
  3. Step 3: Cross multiply
    105,012.36x = 144,891.18 × 64,166.04
  4. Step 4: Simplify right side
    105,012.36x = 9,297,093,251.53
  5. Step 5: Solve for x
    x = 9,297,093,251.53/105,012.36
  6. Step 6: Final answer
    x = 88,533.32

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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.