Home / 203,312.82-280,564.16-117,275.36

Finding the Fourth Proportional to 203,312.82, 280,564.16 and 117,275.36

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Solution

The fourth proportional to 203,312.82, 280,564.16 and 117,275.36 is: 161,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,312.82 : 280,564.16 = 117,275.36 : x
  2. Step 2: Convert to fraction form
    203,312.82/280,564.16 = 117,275.36/x
  3. Step 3: Cross multiply
    203,312.82x = 280,564.16 × 117,275.36
  4. Step 4: Simplify right side
    203,312.82x = 32,903,260,877.90
  5. Step 5: Solve for x
    x = 32,903,260,877.90/203,312.82
  6. Step 6: Final answer
    x = 161,835.64

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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.