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Finding the Fourth Proportional to 203,127.36, 280,269.36 and 130,568.16

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Solution

The fourth proportional to 203,127.36, 280,269.36 and 130,568.16 is: 180,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,127.36 : 280,269.36 = 130,568.16 : x
  2. Step 2: Convert to fraction form
    203,127.36/280,269.36 = 130,568.16/x
  3. Step 3: Cross multiply
    203,127.36x = 280,269.36 × 130,568.16
  4. Step 4: Simplify right side
    203,127.36x = 36,594,254,639.58
  5. Step 5: Solve for x
    x = 36,594,254,639.58/203,127.36
  6. Step 6: Final answer
    x = 180,154.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.