Home / 161,488.08-223,106.36-123,381

Finding the Fourth Proportional to 161,488.08, 223,106.36 and 123,381

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Solution

The fourth proportional to 161,488.08, 223,106.36 and 123,381 is: 170,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,488.08 : 223,106.36 = 123,381 : x
  2. Step 2: Convert to fraction form
    161,488.08/223,106.36 = 123,381/x
  3. Step 3: Cross multiply
    161,488.08x = 223,106.36 × 123,381
  4. Step 4: Simplify right side
    161,488.08x = 27,527,085,186.26
  5. Step 5: Solve for x
    x = 27,527,085,186.26/161,488.08
  6. Step 6: Final answer
    x = 170,458.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.