Home / 117,125.10-161,630.69-63,409.68

Finding the Fourth Proportional to 117,125.10, 161,630.69 and 63,409.68

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Solution

The fourth proportional to 117,125.10, 161,630.69 and 63,409.68 is: 87,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,125.10 : 161,630.69 = 63,409.68 : x
  2. Step 2: Convert to fraction form
    117,125.10/161,630.69 = 63,409.68/x
  3. Step 3: Cross multiply
    117,125.10x = 161,630.69 × 63,409.68
  4. Step 4: Simplify right side
    117,125.10x = 10,248,950,014.03
  5. Step 5: Solve for x
    x = 10,248,950,014.03/117,125.10
  6. Step 6: Final answer
    x = 87,504.30

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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.