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Finding the Fourth Proportional to 79,303.92, 118,759.02 and 66,214.32

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Solution

The fourth proportional to 79,303.92, 118,759.02 and 66,214.32 is: 99,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,303.92 : 118,759.02 = 66,214.32 : x
  2. Step 2: Convert to fraction form
    79,303.92/118,759.02 = 66,214.32/x
  3. Step 3: Cross multiply
    79,303.92x = 118,759.02 × 66,214.32
  4. Step 4: Simplify right side
    79,303.92x = 7,863,547,753.17
  5. Step 5: Solve for x
    x = 7,863,547,753.17/79,303.92
  6. Step 6: Final answer
    x = 99,157.11

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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.