Home / 102,746.21-154,131.77-36,172.71

Finding the Fourth Proportional to 102,746.21, 154,131.77 and 36,172.71

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Solution

The fourth proportional to 102,746.21, 154,131.77 and 36,172.71 is: 54,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,746.21 : 154,131.77 = 36,172.71 : x
  2. Step 2: Convert to fraction form
    102,746.21/154,131.77 = 36,172.71/x
  3. Step 3: Cross multiply
    102,746.21x = 154,131.77 × 36,172.71
  4. Step 4: Simplify right side
    102,746.21x = 5,575,363,908.43
  5. Step 5: Solve for x
    x = 5,575,363,908.43/102,746.21
  6. Step 6: Final answer
    x = 54,263.45

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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.