Home / 250,820.16-346,141.84-137,646.96

Finding the Fourth Proportional to 250,820.16, 346,141.84 and 137,646.96

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Solution

The fourth proportional to 250,820.16, 346,141.84 and 137,646.96 is: 189,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,820.16 : 346,141.84 = 137,646.96 : x
  2. Step 2: Convert to fraction form
    250,820.16/346,141.84 = 137,646.96/x
  3. Step 3: Cross multiply
    250,820.16x = 346,141.84 × 137,646.96
  4. Step 4: Simplify right side
    250,820.16x = 47,645,372,004.81
  5. Step 5: Solve for x
    x = 47,645,372,004.81/250,820.16
  6. Step 6: Final answer
    x = 189,958.30

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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.