Home / 105,592.09-145,717.09-63,150.63

Finding the Fourth Proportional to 105,592.09, 145,717.09 and 63,150.63

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Solution

The fourth proportional to 105,592.09, 145,717.09 and 63,150.63 is: 87,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,592.09 : 145,717.09 = 63,150.63 : x
  2. Step 2: Convert to fraction form
    105,592.09/145,717.09 = 63,150.63/x
  3. Step 3: Cross multiply
    105,592.09x = 145,717.09 × 63,150.63
  4. Step 4: Simplify right side
    105,592.09x = 9,202,126,035.27
  5. Step 5: Solve for x
    x = 9,202,126,035.27/105,592.09
  6. Step 6: Final answer
    x = 87,147.87

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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.