Home / 185,767.20-256,346.64-118,692

Finding the Fourth Proportional to 185,767.20, 256,346.64 and 118,692

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Solution

The fourth proportional to 185,767.20, 256,346.64 and 118,692 is: 163,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,767.20 : 256,346.64 = 118,692 : x
  2. Step 2: Convert to fraction form
    185,767.20/256,346.64 = 118,692/x
  3. Step 3: Cross multiply
    185,767.20x = 256,346.64 × 118,692
  4. Step 4: Simplify right side
    185,767.20x = 30,426,295,394.88
  5. Step 5: Solve for x
    x = 30,426,295,394.88/185,767.20
  6. Step 6: Final answer
    x = 163,787.23

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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.