Home / 124,182.40-186,276.80-45,355.36

Finding the Fourth Proportional to 124,182.40, 186,276.80 and 45,355.36

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Solution

The fourth proportional to 124,182.40, 186,276.80 and 45,355.36 is: 68,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,182.40 : 186,276.80 = 45,355.36 : x
  2. Step 2: Convert to fraction form
    124,182.40/186,276.80 = 45,355.36/x
  3. Step 3: Cross multiply
    124,182.40x = 186,276.80 × 45,355.36
  4. Step 4: Simplify right side
    124,182.40x = 8,448,651,323.65
  5. Step 5: Solve for x
    x = 8,448,651,323.65/124,182.40
  6. Step 6: Final answer
    x = 68,034.21

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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.