Home / 232,172.55-320,262.35-145,995.12

Finding the Fourth Proportional to 232,172.55, 320,262.35 and 145,995.12

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Solution

The fourth proportional to 232,172.55, 320,262.35 and 145,995.12 is: 201,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,172.55 : 320,262.35 = 145,995.12 : x
  2. Step 2: Convert to fraction form
    232,172.55/320,262.35 = 145,995.12/x
  3. Step 3: Cross multiply
    232,172.55x = 320,262.35 × 145,995.12
  4. Step 4: Simplify right side
    232,172.55x = 46,756,739,489.76
  5. Step 5: Solve for x
    x = 46,756,739,489.76/232,172.55
  6. Step 6: Final answer
    x = 201,387.89

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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.