Home / 161,421.80-241,979.10-125,863.40

Finding the Fourth Proportional to 161,421.80, 241,979.10 and 125,863.40

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Solution

The fourth proportional to 161,421.80, 241,979.10 and 125,863.40 is: 188,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,421.80 : 241,979.10 = 125,863.40 : x
  2. Step 2: Convert to fraction form
    161,421.80/241,979.10 = 125,863.40/x
  3. Step 3: Cross multiply
    161,421.80x = 241,979.10 × 125,863.40
  4. Step 4: Simplify right side
    161,421.80x = 30,456,312,254.94
  5. Step 5: Solve for x
    x = 30,456,312,254.94/161,421.80
  6. Step 6: Final answer
    x = 188,675.34

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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.