Home / 105,687.08-158,484.54-39,977

Finding the Fourth Proportional to 105,687.08, 158,484.54 and 39,977

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Solution

The fourth proportional to 105,687.08, 158,484.54 and 39,977 is: 59,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,687.08 : 158,484.54 = 39,977 : x
  2. Step 2: Convert to fraction form
    105,687.08/158,484.54 = 39,977/x
  3. Step 3: Cross multiply
    105,687.08x = 158,484.54 × 39,977
  4. Step 4: Simplify right side
    105,687.08x = 6,335,736,455.58
  5. Step 5: Solve for x
    x = 6,335,736,455.58/105,687.08
  6. Step 6: Final answer
    x = 59,948.07

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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.