Home / 145,141.70-217,656.60-56,383.52

Finding the Fourth Proportional to 145,141.70, 217,656.60 and 56,383.52

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Solution

The fourth proportional to 145,141.70, 217,656.60 and 56,383.52 is: 84,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,141.70 : 217,656.60 = 56,383.52 : x
  2. Step 2: Convert to fraction form
    145,141.70/217,656.60 = 56,383.52/x
  3. Step 3: Cross multiply
    145,141.70x = 217,656.60 × 56,383.52
  4. Step 4: Simplify right side
    145,141.70x = 12,272,244,170.95
  5. Step 5: Solve for x
    x = 12,272,244,170.95/145,141.70
  6. Step 6: Final answer
    x = 84,553.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.