Home / 78,980.07-118,452.66-22,807.95

Finding the Fourth Proportional to 78,980.07, 118,452.66 and 22,807.95

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Solution

The fourth proportional to 78,980.07, 118,452.66 and 22,807.95 is: 34,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,980.07 : 118,452.66 = 22,807.95 : x
  2. Step 2: Convert to fraction form
    78,980.07/118,452.66 = 22,807.95/x
  3. Step 3: Cross multiply
    78,980.07x = 118,452.66 × 22,807.95
  4. Step 4: Simplify right side
    78,980.07x = 2,701,662,346.65
  5. Step 5: Solve for x
    x = 2,701,662,346.65/78,980.07
  6. Step 6: Final answer
    x = 34,206.89

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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.