Home / 160,400.79-240,442.43-76,011.75

Finding the Fourth Proportional to 160,400.79, 240,442.43 and 76,011.75

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Solution

The fourth proportional to 160,400.79, 240,442.43 and 76,011.75 is: 113,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,400.79 : 240,442.43 = 76,011.75 : x
  2. Step 2: Convert to fraction form
    160,400.79/240,442.43 = 76,011.75/x
  3. Step 3: Cross multiply
    160,400.79x = 240,442.43 × 76,011.75
  4. Step 4: Simplify right side
    160,400.79x = 18,276,449,498.49
  5. Step 5: Solve for x
    x = 18,276,449,498.49/160,400.79
  6. Step 6: Final answer
    x = 113,942.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.