Home / 134,444.20-201,504.30-78,176.20

Finding the Fourth Proportional to 134,444.20, 201,504.30 and 78,176.20

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Solution

The fourth proportional to 134,444.20, 201,504.30 and 78,176.20 is: 117,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,444.20 : 201,504.30 = 78,176.20 : x
  2. Step 2: Convert to fraction form
    134,444.20/201,504.30 = 78,176.20/x
  3. Step 3: Cross multiply
    134,444.20x = 201,504.30 × 78,176.20
  4. Step 4: Simplify right side
    134,444.20x = 15,752,840,457.66
  5. Step 5: Solve for x
    x = 15,752,840,457.66/134,444.20
  6. Step 6: Final answer
    x = 117,170.10

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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.