Home / 144,051.20-216,060.62-55,242.40

Finding the Fourth Proportional to 144,051.20, 216,060.62 and 55,242.40

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Solution

The fourth proportional to 144,051.20, 216,060.62 and 55,242.40 is: 82,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.20 : 216,060.62 = 55,242.40 : x
  2. Step 2: Convert to fraction form
    144,051.20/216,060.62 = 55,242.40/x
  3. Step 3: Cross multiply
    144,051.20x = 216,060.62 × 55,242.40
  4. Step 4: Simplify right side
    144,051.20x = 11,935,706,792.24
  5. Step 5: Solve for x
    x = 11,935,706,792.24/144,051.20
  6. Step 6: Final answer
    x = 82,857.39

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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.