Home / 246,385.90-340,011.68-138,955.30

Finding the Fourth Proportional to 246,385.90, 340,011.68 and 138,955.30

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Solution

The fourth proportional to 246,385.90, 340,011.68 and 138,955.30 is: 191,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,385.90 : 340,011.68 = 138,955.30 : x
  2. Step 2: Convert to fraction form
    246,385.90/340,011.68 = 138,955.30/x
  3. Step 3: Cross multiply
    246,385.90x = 340,011.68 × 138,955.30
  4. Step 4: Simplify right side
    246,385.90x = 47,246,423,453.10
  5. Step 5: Solve for x
    x = 47,246,423,453.10/246,385.90
  6. Step 6: Final answer
    x = 191,757.82

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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.