Home / 203,957.83-281,502.08-130,323.16

Finding the Fourth Proportional to 203,957.83, 281,502.08 and 130,323.16

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Solution

The fourth proportional to 203,957.83, 281,502.08 and 130,323.16 is: 179,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,957.83 : 281,502.08 = 130,323.16 : x
  2. Step 2: Convert to fraction form
    203,957.83/281,502.08 = 130,323.16/x
  3. Step 3: Cross multiply
    203,957.83x = 281,502.08 × 130,323.16
  4. Step 4: Simplify right side
    203,957.83x = 36,686,240,612.17
  5. Step 5: Solve for x
    x = 36,686,240,612.17/203,957.83
  6. Step 6: Final answer
    x = 179,871.70

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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.