Home / 146,123.60-219,197.82-51,345.60

Finding the Fourth Proportional to 146,123.60, 219,197.82 and 51,345.60

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Solution

The fourth proportional to 146,123.60, 219,197.82 and 51,345.60 is: 77,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,123.60 : 219,197.82 = 51,345.60 : x
  2. Step 2: Convert to fraction form
    146,123.60/219,197.82 = 51,345.60/x
  3. Step 3: Cross multiply
    146,123.60x = 219,197.82 × 51,345.60
  4. Step 4: Simplify right side
    146,123.60x = 11,254,842,957.15
  5. Step 5: Solve for x
    x = 11,254,842,957.15/146,123.60
  6. Step 6: Final answer
    x = 77,022.76

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1.5x scale

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.