Home / 251,111.04-346,535.78-136,390.79

Finding the Fourth Proportional to 251,111.04, 346,535.78 and 136,390.79

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Solution

The fourth proportional to 251,111.04, 346,535.78 and 136,390.79 is: 188,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,111.04 : 346,535.78 = 136,390.79 : x
  2. Step 2: Convert to fraction form
    251,111.04/346,535.78 = 136,390.79/x
  3. Step 3: Cross multiply
    251,111.04x = 346,535.78 × 136,390.79
  4. Step 4: Simplify right side
    251,111.04x = 47,264,286,382.83
  5. Step 5: Solve for x
    x = 47,264,286,382.83/251,111.04
  6. Step 6: Final answer
    x = 188,220.66

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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.