Home / 124,184.40-186,279.80-45,357.36

Finding the Fourth Proportional to 124,184.40, 186,279.80 and 45,357.36

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Solution

The fourth proportional to 124,184.40, 186,279.80 and 45,357.36 is: 68,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,184.40 : 186,279.80 = 45,357.36 : x
  2. Step 2: Convert to fraction form
    124,184.40/186,279.80 = 45,357.36/x
  3. Step 3: Cross multiply
    124,184.40x = 186,279.80 × 45,357.36
  4. Step 4: Simplify right side
    124,184.40x = 8,449,159,949.33
  5. Step 5: Solve for x
    x = 8,449,159,949.33/124,184.40
  6. Step 6: Final answer
    x = 68,037.21

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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.