Home / 113,327.40-169,991.10-112,636.20

Finding the Fourth Proportional to 113,327.40, 169,991.10 and 112,636.20

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Solution

The fourth proportional to 113,327.40, 169,991.10 and 112,636.20 is: 168,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,327.40 : 169,991.10 = 112,636.20 : x
  2. Step 2: Convert to fraction form
    113,327.40/169,991.10 = 112,636.20/x
  3. Step 3: Cross multiply
    113,327.40x = 169,991.10 × 112,636.20
  4. Step 4: Simplify right side
    113,327.40x = 19,147,151,537.82
  5. Step 5: Solve for x
    x = 19,147,151,537.82/113,327.40
  6. Step 6: Final answer
    x = 168,954.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.