Home / 161,945.34-223,484.94-90,329.94

Finding the Fourth Proportional to 161,945.34, 223,484.94 and 90,329.94

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Solution

The fourth proportional to 161,945.34, 223,484.94 and 90,329.94 is: 124,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,945.34 : 223,484.94 = 90,329.94 : x
  2. Step 2: Convert to fraction form
    161,945.34/223,484.94 = 90,329.94/x
  3. Step 3: Cross multiply
    161,945.34x = 223,484.94 × 90,329.94
  4. Step 4: Simplify right side
    161,945.34x = 20,187,381,221.10
  5. Step 5: Solve for x
    x = 20,187,381,221.10/161,945.34
  6. Step 6: Final answer
    x = 124,655.52

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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.