Home / 137,180.26-206,798.59-128,035.87

Finding the Fourth Proportional to 137,180.26, 206,798.59 and 128,035.87

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Solution

The fourth proportional to 137,180.26, 206,798.59 and 128,035.87 is: 193,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,180.26 : 206,798.59 = 128,035.87 : x
  2. Step 2: Convert to fraction form
    137,180.26/206,798.59 = 128,035.87/x
  3. Step 3: Cross multiply
    137,180.26x = 206,798.59 × 128,035.87
  4. Step 4: Simplify right side
    137,180.26x = 26,477,636,228.25
  5. Step 5: Solve for x
    x = 26,477,636,228.25/137,180.26
  6. Step 6: Final answer
    x = 193,013.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.