Home / 169,635.82-234,160.32-145,666.30

Finding the Fourth Proportional to 169,635.82, 234,160.32 and 145,666.30

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Solution

The fourth proportional to 169,635.82, 234,160.32 and 145,666.30 is: 201,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,635.82 : 234,160.32 = 145,666.30 : x
  2. Step 2: Convert to fraction form
    169,635.82/234,160.32 = 145,666.30/x
  3. Step 3: Cross multiply
    169,635.82x = 234,160.32 × 145,666.30
  4. Step 4: Simplify right side
    169,635.82x = 34,109,267,421.22
  5. Step 5: Solve for x
    x = 34,109,267,421.22/169,635.82
  6. Step 6: Final answer
    x = 201,073.50

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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.