Home / 149,124.48-205,723.98-88,660.77

Finding the Fourth Proportional to 149,124.48, 205,723.98 and 88,660.77

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Solution

The fourth proportional to 149,124.48, 205,723.98 and 88,660.77 is: 122,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,124.48 : 205,723.98 = 88,660.77 : x
  2. Step 2: Convert to fraction form
    149,124.48/205,723.98 = 88,660.77/x
  3. Step 3: Cross multiply
    149,124.48x = 205,723.98 × 88,660.77
  4. Step 4: Simplify right side
    149,124.48x = 18,239,646,474.26
  5. Step 5: Solve for x
    x = 18,239,646,474.26/149,124.48
  6. Step 6: Final answer
    x = 122,311.55

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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.