Home / 161,715.69-223,174.44-90,095.63

Finding the Fourth Proportional to 161,715.69, 223,174.44 and 90,095.63

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Solution

The fourth proportional to 161,715.69, 223,174.44 and 90,095.63 is: 124,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,715.69 : 223,174.44 = 90,095.63 : x
  2. Step 2: Convert to fraction form
    161,715.69/223,174.44 = 90,095.63/x
  3. Step 3: Cross multiply
    161,715.69x = 223,174.44 × 90,095.63
  4. Step 4: Simplify right side
    161,715.69x = 20,107,040,655.83
  5. Step 5: Solve for x
    x = 20,107,040,655.83/161,715.69
  6. Step 6: Final answer
    x = 124,335.74

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1.5x scale

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.