Home / 113,119.64-169,679.76-38,219.75

Finding the Fourth Proportional to 113,119.64, 169,679.76 and 38,219.75

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Solution

The fourth proportional to 113,119.64, 169,679.76 and 38,219.75 is: 57,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,119.64 : 169,679.76 = 38,219.75 : x
  2. Step 2: Convert to fraction form
    113,119.64/169,679.76 = 38,219.75/x
  3. Step 3: Cross multiply
    113,119.64x = 169,679.76 × 38,219.75
  4. Step 4: Simplify right side
    113,119.64x = 6,485,116,967.76
  5. Step 5: Solve for x
    x = 6,485,116,967.76/113,119.64
  6. Step 6: Final answer
    x = 57,329.72

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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.