Home / 149,124.65-205,868.25-115,056.59

Finding the Fourth Proportional to 149,124.65, 205,868.25 and 115,056.59

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Solution

The fourth proportional to 149,124.65, 205,868.25 and 115,056.59 is: 158,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,124.65 : 205,868.25 = 115,056.59 : x
  2. Step 2: Convert to fraction form
    149,124.65/205,868.25 = 115,056.59/x
  3. Step 3: Cross multiply
    149,124.65x = 205,868.25 × 115,056.59
  4. Step 4: Simplify right side
    149,124.65x = 23,686,497,804.93
  5. Step 5: Solve for x
    x = 23,686,497,804.93/149,124.65
  6. Step 6: Final answer
    x = 158,836.91

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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.