Home / 185,975.36-256,657.92-104,311.28

Finding the Fourth Proportional to 185,975.36, 256,657.92 and 104,311.28

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Solution

The fourth proportional to 185,975.36, 256,657.92 and 104,311.28 is: 143,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,975.36 : 256,657.92 = 104,311.28 : x
  2. Step 2: Convert to fraction form
    185,975.36/256,657.92 = 104,311.28/x
  3. Step 3: Cross multiply
    185,975.36x = 256,657.92 × 104,311.28
  4. Step 4: Simplify right side
    185,975.36x = 26,772,316,157.34
  5. Step 5: Solve for x
    x = 26,772,316,157.34/185,975.36
  6. Step 6: Final answer
    x = 143,956.25

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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.