Home / 134,451.80-201,677.70-128,328.20

Finding the Fourth Proportional to 134,451.80, 201,677.70 and 128,328.20

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Solution

The fourth proportional to 134,451.80, 201,677.70 and 128,328.20 is: 192,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,451.80 : 201,677.70 = 128,328.20 : x
  2. Step 2: Convert to fraction form
    134,451.80/201,677.70 = 128,328.20/x
  3. Step 3: Cross multiply
    134,451.80x = 201,677.70 × 128,328.20
  4. Step 4: Simplify right side
    134,451.80x = 25,880,936,221.14
  5. Step 5: Solve for x
    x = 25,880,936,221.14/134,451.80
  6. Step 6: Final answer
    x = 192,492.30

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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.