Home / 250,813.28-346,126.56-137,646.56

Finding the Fourth Proportional to 250,813.28, 346,126.56 and 137,646.56

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Solution

The fourth proportional to 250,813.28, 346,126.56 and 137,646.56 is: 189,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,813.28 : 346,126.56 = 137,646.56 : x
  2. Step 2: Convert to fraction form
    250,813.28/346,126.56 = 137,646.56/x
  3. Step 3: Cross multiply
    250,813.28x = 346,126.56 × 137,646.56
  4. Step 4: Simplify right side
    250,813.28x = 47,643,130,308.63
  5. Step 5: Solve for x
    x = 47,643,130,308.63/250,813.28
  6. Step 6: Final answer
    x = 189,954.58

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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.