Home / 134,743.20-202,114.80-45,983.40

Finding the Fourth Proportional to 134,743.20, 202,114.80 and 45,983.40

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Solution

The fourth proportional to 134,743.20, 202,114.80 and 45,983.40 is: 68,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,743.20 : 202,114.80 = 45,983.40 : x
  2. Step 2: Convert to fraction form
    134,743.20/202,114.80 = 45,983.40/x
  3. Step 3: Cross multiply
    134,743.20x = 202,114.80 × 45,983.40
  4. Step 4: Simplify right side
    134,743.20x = 9,293,925,694.32
  5. Step 5: Solve for x
    x = 9,293,925,694.32/134,743.20
  6. Step 6: Final answer
    x = 68,975.10

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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.