Home / 159,084.81-219,333.32-130,298.42

Finding the Fourth Proportional to 159,084.81, 219,333.32 and 130,298.42

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Solution

The fourth proportional to 159,084.81, 219,333.32 and 130,298.42 is: 179,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,084.81 : 219,333.32 = 130,298.42 : x
  2. Step 2: Convert to fraction form
    159,084.81/219,333.32 = 130,298.42/x
  3. Step 3: Cross multiply
    159,084.81x = 219,333.32 × 130,298.42
  4. Step 4: Simplify right side
    159,084.81x = 28,578,785,434.81
  5. Step 5: Solve for x
    x = 28,578,785,434.81/159,084.81
  6. Step 6: Final answer
    x = 179,644.97

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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.