Home / 117,818.84-162,536.28-70,045.04

Finding the Fourth Proportional to 117,818.84, 162,536.28 and 70,045.04

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Solution

The fourth proportional to 117,818.84, 162,536.28 and 70,045.04 is: 96,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,818.84 : 162,536.28 = 70,045.04 : x
  2. Step 2: Convert to fraction form
    117,818.84/162,536.28 = 70,045.04/x
  3. Step 3: Cross multiply
    117,818.84x = 162,536.28 × 70,045.04
  4. Step 4: Simplify right side
    117,818.84x = 11,384,860,234.05
  5. Step 5: Solve for x
    x = 11,384,860,234.05/117,818.84
  6. Step 6: Final answer
    x = 96,630.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.