Home / 251,117.76-346,535.68-137,940.52

Finding the Fourth Proportional to 251,117.76, 346,535.68 and 137,940.52

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Solution

The fourth proportional to 251,117.76, 346,535.68 and 137,940.52 is: 190,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,117.76 : 346,535.68 = 137,940.52 : x
  2. Step 2: Convert to fraction form
    251,117.76/346,535.68 = 137,940.52/x
  3. Step 3: Cross multiply
    251,117.76x = 346,535.68 × 137,940.52
  4. Step 4: Simplify right side
    251,117.76x = 47,801,311,897.75
  5. Step 5: Solve for x
    x = 47,801,311,897.75/251,117.76
  6. Step 6: Final answer
    x = 190,354.17

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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.