Home / 250,154.64-345,209.98-136,977.40

Finding the Fourth Proportional to 250,154.64, 345,209.98 and 136,977.40

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Solution

The fourth proportional to 250,154.64, 345,209.98 and 136,977.40 is: 189,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,154.64 : 345,209.98 = 136,977.40 : x
  2. Step 2: Convert to fraction form
    250,154.64/345,209.98 = 136,977.40/x
  3. Step 3: Cross multiply
    250,154.64x = 345,209.98 × 136,977.40
  4. Step 4: Simplify right side
    250,154.64x = 47,285,965,514.45
  5. Step 5: Solve for x
    x = 47,285,965,514.45/250,154.64
  6. Step 6: Final answer
    x = 189,026.94

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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.