Home / 251,106.34-346,532.73-137,931.46

Finding the Fourth Proportional to 251,106.34, 346,532.73 and 137,931.46

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Solution

The fourth proportional to 251,106.34, 346,532.73 and 137,931.46 is: 190,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,106.34 : 346,532.73 = 137,931.46 : x
  2. Step 2: Convert to fraction form
    251,106.34/346,532.73 = 137,931.46/x
  3. Step 3: Cross multiply
    251,106.34x = 346,532.73 × 137,931.46
  4. Step 4: Simplify right side
    251,106.34x = 47,797,765,386.69
  5. Step 5: Solve for x
    x = 47,797,765,386.69/251,106.34
  6. Step 6: Final answer
    x = 190,348.70

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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.