Home / 100,994.40-151,271.28-83,265.12

Finding the Fourth Proportional to 100,994.40, 151,271.28 and 83,265.12

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Solution

The fourth proportional to 100,994.40, 151,271.28 and 83,265.12 is: 124,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,994.40 : 151,271.28 = 83,265.12 : x
  2. Step 2: Convert to fraction form
    100,994.40/151,271.28 = 83,265.12/x
  3. Step 3: Cross multiply
    100,994.40x = 151,271.28 × 83,265.12
  4. Step 4: Simplify right side
    100,994.40x = 12,595,621,281.75
  5. Step 5: Solve for x
    x = 12,595,621,281.75/100,994.40
  6. Step 6: Final answer
    x = 124,716.04

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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.