Home / 124,529.40-171,798.57-81,519.41

Finding the Fourth Proportional to 124,529.40, 171,798.57 and 81,519.41

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Solution

The fourth proportional to 124,529.40, 171,798.57 and 81,519.41 is: 112,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,529.40 : 171,798.57 = 81,519.41 : x
  2. Step 2: Convert to fraction form
    124,529.40/171,798.57 = 81,519.41/x
  3. Step 3: Cross multiply
    124,529.40x = 171,798.57 × 81,519.41
  4. Step 4: Simplify right side
    124,529.40x = 14,004,918,494.74
  5. Step 5: Solve for x
    x = 14,004,918,494.74/124,529.40
  6. Step 6: Final answer
    x = 112,462.75

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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.