Home / 78,246.81-117,379.39-24,920.10

Finding the Fourth Proportional to 78,246.81, 117,379.39 and 24,920.10

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Solution

The fourth proportional to 78,246.81, 117,379.39 and 24,920.10 is: 37,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,246.81 : 117,379.39 = 24,920.10 : x
  2. Step 2: Convert to fraction form
    78,246.81/117,379.39 = 24,920.10/x
  3. Step 3: Cross multiply
    78,246.81x = 117,379.39 × 24,920.10
  4. Step 4: Simplify right side
    78,246.81x = 2,925,106,012.14
  5. Step 5: Solve for x
    x = 2,925,106,012.14/78,246.81
  6. Step 6: Final answer
    x = 37,383.07

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1.5x scale

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.