Home / 132,619.02-183,037.96-84,870.73

Finding the Fourth Proportional to 132,619.02, 183,037.96 and 84,870.73

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Solution

The fourth proportional to 132,619.02, 183,037.96 and 84,870.73 is: 117,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619.02 : 183,037.96 = 84,870.73 : x
  2. Step 2: Convert to fraction form
    132,619.02/183,037.96 = 84,870.73/x
  3. Step 3: Cross multiply
    132,619.02x = 183,037.96 × 84,870.73
  4. Step 4: Simplify right side
    132,619.02x = 15,534,565,282.91
  5. Step 5: Solve for x
    x = 15,534,565,282.91/132,619.02
  6. Step 6: Final answer
    x = 117,136.78

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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.