Home / 160,855-241,036.36-85,985.76

Finding the Fourth Proportional to 160,855, 241,036.36 and 85,985.76

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Solution

The fourth proportional to 160,855, 241,036.36 and 85,985.76 is: 128,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,855 : 241,036.36 = 85,985.76 : x
  2. Step 2: Convert to fraction form
    160,855/241,036.36 = 85,985.76/x
  3. Step 3: Cross multiply
    160,855x = 241,036.36 × 85,985.76
  4. Step 4: Simplify right side
    160,855x = 20,725,694,602.23
  5. Step 5: Solve for x
    x = 20,725,694,602.23/160,855
  6. Step 6: Final answer
    x = 128,847.06

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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.