Home / 144,957.20-217,457.40-51,455.12

Finding the Fourth Proportional to 144,957.20, 217,457.40 and 51,455.12

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Solution

The fourth proportional to 144,957.20, 217,457.40 and 51,455.12 is: 77,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,957.20 : 217,457.40 = 51,455.12 : x
  2. Step 2: Convert to fraction form
    144,957.20/217,457.40 = 51,455.12/x
  3. Step 3: Cross multiply
    144,957.20x = 217,457.40 × 51,455.12
  4. Step 4: Simplify right side
    144,957.20x = 11,189,296,611.89
  5. Step 5: Solve for x
    x = 11,189,296,611.89/144,957.20
  6. Step 6: Final answer
    x = 77,190.35

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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.