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Finding the Fourth Proportional to 144,375.51, 216,596.07 and 54,446.07

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Solution

The fourth proportional to 144,375.51, 216,596.07 and 54,446.07 is: 81,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,375.51 : 216,596.07 = 54,446.07 : x
  2. Step 2: Convert to fraction form
    144,375.51/216,596.07 = 54,446.07/x
  3. Step 3: Cross multiply
    144,375.51x = 216,596.07 × 54,446.07
  4. Step 4: Simplify right side
    144,375.51x = 11,792,804,788.94
  5. Step 5: Solve for x
    x = 11,792,804,788.94/144,375.51
  6. Step 6: Final answer
    x = 81,681.48

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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.