Home / 134,911.20-202,366.80-129,152.10

Finding the Fourth Proportional to 134,911.20, 202,366.80 and 129,152.10

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Solution

The fourth proportional to 134,911.20, 202,366.80 and 129,152.10 is: 193,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,911.20 : 202,366.80 = 129,152.10 : x
  2. Step 2: Convert to fraction form
    134,911.20/202,366.80 = 129,152.10/x
  3. Step 3: Cross multiply
    134,911.20x = 202,366.80 × 129,152.10
  4. Step 4: Simplify right side
    134,911.20x = 26,136,097,190.28
  5. Step 5: Solve for x
    x = 26,136,097,190.28/134,911.20
  6. Step 6: Final answer
    x = 193,728.15

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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.