Home / 114,818.04-172,066.68-55,638

Finding the Fourth Proportional to 114,818.04, 172,066.68 and 55,638

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Solution

The fourth proportional to 114,818.04, 172,066.68 and 55,638 is: 83,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,818.04 : 172,066.68 = 55,638 : x
  2. Step 2: Convert to fraction form
    114,818.04/172,066.68 = 55,638/x
  3. Step 3: Cross multiply
    114,818.04x = 172,066.68 × 55,638
  4. Step 4: Simplify right side
    114,818.04x = 9,573,445,941.84
  5. Step 5: Solve for x
    x = 9,573,445,941.84/114,818.04
  6. Step 6: Final answer
    x = 83,379.28

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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.