Home / 160,043.14-240,215.37-81,213.94

Finding the Fourth Proportional to 160,043.14, 240,215.37 and 81,213.94

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Solution

The fourth proportional to 160,043.14, 240,215.37 and 81,213.94 is: 121,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,043.14 : 240,215.37 = 81,213.94 : x
  2. Step 2: Convert to fraction form
    160,043.14/240,215.37 = 81,213.94/x
  3. Step 3: Cross multiply
    160,043.14x = 240,215.37 × 81,213.94
  4. Step 4: Simplify right side
    160,043.14x = 19,508,836,646.26
  5. Step 5: Solve for x
    x = 19,508,836,646.26/160,043.14
  6. Step 6: Final answer
    x = 121,897.36

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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.