Home / 84,308.04-116,877.81-79,813.68

Finding the Fourth Proportional to 84,308.04, 116,877.81 and 79,813.68

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Solution

The fourth proportional to 84,308.04, 116,877.81 and 79,813.68 is: 110,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,308.04 : 116,877.81 = 79,813.68 : x
  2. Step 2: Convert to fraction form
    84,308.04/116,877.81 = 79,813.68/x
  3. Step 3: Cross multiply
    84,308.04x = 116,877.81 × 79,813.68
  4. Step 4: Simplify right side
    84,308.04x = 9,328,448,126.44
  5. Step 5: Solve for x
    x = 9,328,448,126.44/84,308.04
  6. Step 6: Final answer
    x = 110,647.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.