Home / 134,077.80-201,116.70-81,503.40

Finding the Fourth Proportional to 134,077.80, 201,116.70 and 81,503.40

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Solution

The fourth proportional to 134,077.80, 201,116.70 and 81,503.40 is: 122,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,077.80 : 201,116.70 = 81,503.40 : x
  2. Step 2: Convert to fraction form
    134,077.80/201,116.70 = 81,503.40/x
  3. Step 3: Cross multiply
    134,077.80x = 201,116.70 × 81,503.40
  4. Step 4: Simplify right side
    134,077.80x = 16,391,694,846.78
  5. Step 5: Solve for x
    x = 16,391,694,846.78/134,077.80
  6. Step 6: Final answer
    x = 122,255.10

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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.