Home / 144,476.37-216,681.67-54,528.62

Finding the Fourth Proportional to 144,476.37, 216,681.67 and 54,528.62

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Solution

The fourth proportional to 144,476.37, 216,681.67 and 54,528.62 is: 81,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,476.37 : 216,681.67 = 54,528.62 : x
  2. Step 2: Convert to fraction form
    144,476.37/216,681.67 = 54,528.62/x
  3. Step 3: Cross multiply
    144,476.37x = 216,681.67 × 54,528.62
  4. Step 4: Simplify right side
    144,476.37x = 11,815,351,429.15
  5. Step 5: Solve for x
    x = 11,815,351,429.15/144,476.37
  6. Step 6: Final answer
    x = 81,780.51

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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.