Home / 160,040.34-239,887.98-81,160.92

Finding the Fourth Proportional to 160,040.34, 239,887.98 and 81,160.92

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Solution

The fourth proportional to 160,040.34, 239,887.98 and 81,160.92 is: 121,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,040.34 : 239,887.98 = 81,160.92 : x
  2. Step 2: Convert to fraction form
    160,040.34/239,887.98 = 81,160.92/x
  3. Step 3: Cross multiply
    160,040.34x = 239,887.98 × 81,160.92
  4. Step 4: Simplify right side
    160,040.34x = 19,469,529,153.74
  5. Step 5: Solve for x
    x = 19,469,529,153.74/160,040.34
  6. Step 6: Final answer
    x = 121,653.89

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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.