Home / 250,947.84-346,303.71-137,769.78

Finding the Fourth Proportional to 250,947.84, 346,303.71 and 137,769.78

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Solution

The fourth proportional to 250,947.84, 346,303.71 and 137,769.78 is: 190,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,947.84 : 346,303.71 = 137,769.78 : x
  2. Step 2: Convert to fraction form
    250,947.84/346,303.71 = 137,769.78/x
  3. Step 3: Cross multiply
    250,947.84x = 346,303.71 × 137,769.78
  4. Step 4: Simplify right side
    250,947.84x = 47,710,185,939.88
  5. Step 5: Solve for x
    x = 47,710,185,939.88/250,947.84
  6. Step 6: Final answer
    x = 190,119.93

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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.