Home / 251,017.28-346,409.87-136,300.76

Finding the Fourth Proportional to 251,017.28, 346,409.87 and 136,300.76

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Solution

The fourth proportional to 251,017.28, 346,409.87 and 136,300.76 is: 188,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,017.28 : 346,409.87 = 136,300.76 : x
  2. Step 2: Convert to fraction form
    251,017.28/346,409.87 = 136,300.76/x
  3. Step 3: Cross multiply
    251,017.28x = 346,409.87 × 136,300.76
  4. Step 4: Simplify right side
    251,017.28x = 47,215,928,204.68
  5. Step 5: Solve for x
    x = 47,215,928,204.68/251,017.28
  6. Step 6: Final answer
    x = 188,098.31

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1.5x scale

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.