Home / 107,977.40-149,007.79-59,579.77

Finding the Fourth Proportional to 107,977.40, 149,007.79 and 59,579.77

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Solution

The fourth proportional to 107,977.40, 149,007.79 and 59,579.77 is: 82,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,977.40 : 149,007.79 = 59,579.77 : x
  2. Step 2: Convert to fraction form
    107,977.40/149,007.79 = 59,579.77/x
  3. Step 3: Cross multiply
    107,977.40x = 149,007.79 × 59,579.77
  4. Step 4: Simplify right side
    107,977.40x = 8,877,849,856.41
  5. Step 5: Solve for x
    x = 8,877,849,856.41/107,977.40
  6. Step 6: Final answer
    x = 82,219.52

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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.