Home / 79,208.10-118,529.04-68,800.74

Finding the Fourth Proportional to 79,208.10, 118,529.04 and 68,800.74

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Solution

The fourth proportional to 79,208.10, 118,529.04 and 68,800.74 is: 102,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208.10 : 118,529.04 = 68,800.74 : x
  2. Step 2: Convert to fraction form
    79,208.10/118,529.04 = 68,800.74/x
  3. Step 3: Cross multiply
    79,208.10x = 118,529.04 × 68,800.74
  4. Step 4: Simplify right side
    79,208.10x = 8,154,885,663.49
  5. Step 5: Solve for x
    x = 8,154,885,663.49/79,208.10
  6. Step 6: Final answer
    x = 102,955.20

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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.