Home / 145,946.21-218,851.27-75,806.69

Finding the Fourth Proportional to 145,946.21, 218,851.27 and 75,806.69

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Solution

The fourth proportional to 145,946.21, 218,851.27 and 75,806.69 is: 113,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,946.21 : 218,851.27 = 75,806.69 : x
  2. Step 2: Convert to fraction form
    145,946.21/218,851.27 = 75,806.69/x
  3. Step 3: Cross multiply
    145,946.21x = 218,851.27 × 75,806.69
  4. Step 4: Simplify right side
    145,946.21x = 16,590,389,097.22
  5. Step 5: Solve for x
    x = 16,590,389,097.22/145,946.21
  6. Step 6: Final answer
    x = 113,674.69

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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.