Home / 134,233.20-201,503.40-78,860.40

Finding the Fourth Proportional to 134,233.20, 201,503.40 and 78,860.40

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Solution

The fourth proportional to 134,233.20, 201,503.40 and 78,860.40 is: 118,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,233.20 : 201,503.40 = 78,860.40 : x
  2. Step 2: Convert to fraction form
    134,233.20/201,503.40 = 78,860.40/x
  3. Step 3: Cross multiply
    134,233.20x = 201,503.40 × 78,860.40
  4. Step 4: Simplify right side
    134,233.20x = 15,890,638,725.36
  5. Step 5: Solve for x
    x = 15,890,638,725.36/134,233.20
  6. Step 6: Final answer
    x = 118,380.84

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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.