Home / 169,632.82-234,156.18-145,663.30

Finding the Fourth Proportional to 169,632.82, 234,156.18 and 145,663.30

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Solution

The fourth proportional to 169,632.82, 234,156.18 and 145,663.30 is: 201,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,632.82 : 234,156.18 = 145,663.30 : x
  2. Step 2: Convert to fraction form
    169,632.82/234,156.18 = 145,663.30/x
  3. Step 3: Cross multiply
    169,632.82x = 234,156.18 × 145,663.30
  4. Step 4: Simplify right side
    169,632.82x = 34,107,961,894.19
  5. Step 5: Solve for x
    x = 34,107,961,894.19/169,632.82
  6. Step 6: Final answer
    x = 201,069.36

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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.