Home / 74,985.35-111,816.65-74,310.26

Finding the Fourth Proportional to 74,985.35, 111,816.65 and 74,310.26

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Solution

The fourth proportional to 74,985.35, 111,816.65 and 74,310.26 is: 110,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,985.35 : 111,816.65 = 74,310.26 : x
  2. Step 2: Convert to fraction form
    74,985.35/111,816.65 = 74,310.26/x
  3. Step 3: Cross multiply
    74,985.35x = 111,816.65 × 74,310.26
  4. Step 4: Simplify right side
    74,985.35x = 8,309,124,589.49
  5. Step 5: Solve for x
    x = 8,309,124,589.49/74,985.35
  6. Step 6: Final answer
    x = 110,809.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.