Home / 144,623.80-216,935.70-51,117.40

Finding the Fourth Proportional to 144,623.80, 216,935.70 and 51,117.40

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Solution

The fourth proportional to 144,623.80, 216,935.70 and 51,117.40 is: 76,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,623.80 : 216,935.70 = 51,117.40 : x
  2. Step 2: Convert to fraction form
    144,623.80/216,935.70 = 51,117.40/x
  3. Step 3: Cross multiply
    144,623.80x = 216,935.70 × 51,117.40
  4. Step 4: Simplify right side
    144,623.80x = 11,089,188,951.18
  5. Step 5: Solve for x
    x = 11,089,188,951.18/144,623.80
  6. Step 6: Final answer
    x = 76,676.10

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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.