Home / 144,564.01-216,804.40-49,790.36

Finding the Fourth Proportional to 144,564.01, 216,804.40 and 49,790.36

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Solution

The fourth proportional to 144,564.01, 216,804.40 and 49,790.36 is: 74,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,564.01 : 216,804.40 = 49,790.36 : x
  2. Step 2: Convert to fraction form
    144,564.01/216,804.40 = 49,790.36/x
  3. Step 3: Cross multiply
    144,564.01x = 216,804.40 × 49,790.36
  4. Step 4: Simplify right side
    144,564.01x = 10,794,769,543.12
  5. Step 5: Solve for x
    x = 10,794,769,543.12/144,564.01
  6. Step 6: Final answer
    x = 74,671.21

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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.