Home / 245,897.15-339,328.94-136,998.93

Finding the Fourth Proportional to 245,897.15, 339,328.94 and 136,998.93

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Solution

The fourth proportional to 245,897.15, 339,328.94 and 136,998.93 is: 189,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,897.15 : 339,328.94 = 136,998.93 : x
  2. Step 2: Convert to fraction form
    245,897.15/339,328.94 = 136,998.93/x
  3. Step 3: Cross multiply
    245,897.15x = 339,328.94 × 136,998.93
  4. Step 4: Simplify right side
    245,897.15x = 46,487,701,013.04
  5. Step 5: Solve for x
    x = 46,487,701,013.04/245,897.15
  6. Step 6: Final answer
    x = 189,053.44

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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.