Home / 168,390.45-232,373.03-100,372.34

Finding the Fourth Proportional to 168,390.45, 232,373.03 and 100,372.34

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Solution

The fourth proportional to 168,390.45, 232,373.03 and 100,372.34 is: 138,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,390.45 : 232,373.03 = 100,372.34 : x
  2. Step 2: Convert to fraction form
    168,390.45/232,373.03 = 100,372.34/x
  3. Step 3: Cross multiply
    168,390.45x = 232,373.03 × 100,372.34
  4. Step 4: Simplify right side
    168,390.45x = 23,323,824,853.06
  5. Step 5: Solve for x
    x = 23,323,824,853.06/168,390.45
  6. Step 6: Final answer
    x = 138,510.38

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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.