Home / 124,212.48-187,155.66-102,511.92

Finding the Fourth Proportional to 124,212.48, 187,155.66 and 102,511.92

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Solution

The fourth proportional to 124,212.48, 187,155.66 and 102,511.92 is: 154,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.48 : 187,155.66 = 102,511.92 : x
  2. Step 2: Convert to fraction form
    124,212.48/187,155.66 = 102,511.92/x
  3. Step 3: Cross multiply
    124,212.48x = 187,155.66 × 102,511.92
  4. Step 4: Simplify right side
    124,212.48x = 19,185,686,045.47
  5. Step 5: Solve for x
    x = 19,185,686,045.47/124,212.48
  6. Step 6: Final answer
    x = 154,458.60

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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.