Home / 161,947.35-223,487.65-90,332.01

Finding the Fourth Proportional to 161,947.35, 223,487.65 and 90,332.01

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Solution

The fourth proportional to 161,947.35, 223,487.65 and 90,332.01 is: 124,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,947.35 : 223,487.65 = 90,332.01 : x
  2. Step 2: Convert to fraction form
    161,947.35/223,487.65 = 90,332.01/x
  3. Step 3: Cross multiply
    161,947.35x = 223,487.65 × 90,332.01
  4. Step 4: Simplify right side
    161,947.35x = 20,188,088,634.68
  5. Step 5: Solve for x
    x = 20,188,088,634.68/161,947.35
  6. Step 6: Final answer
    x = 124,658.35

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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.