Home / 109,504.28-151,102.18-64,171.89

Finding the Fourth Proportional to 109,504.28, 151,102.18 and 64,171.89

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Solution

The fourth proportional to 109,504.28, 151,102.18 and 64,171.89 is: 88,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,504.28 : 151,102.18 = 64,171.89 : x
  2. Step 2: Convert to fraction form
    109,504.28/151,102.18 = 64,171.89/x
  3. Step 3: Cross multiply
    109,504.28x = 151,102.18 × 64,171.89
  4. Step 4: Simplify right side
    109,504.28x = 9,696,512,313.29
  5. Step 5: Solve for x
    x = 9,696,512,313.29/109,504.28
  6. Step 6: Final answer
    x = 88,549.16

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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.