Home / 107,128.28-147,844.14-59,383.64

Finding the Fourth Proportional to 107,128.28, 147,844.14 and 59,383.64

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Solution

The fourth proportional to 107,128.28, 147,844.14 and 59,383.64 is: 81,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,128.28 : 147,844.14 = 59,383.64 : x
  2. Step 2: Convert to fraction form
    107,128.28/147,844.14 = 59,383.64/x
  3. Step 3: Cross multiply
    107,128.28x = 147,844.14 × 59,383.64
  4. Step 4: Simplify right side
    107,128.28x = 8,779,523,185.87
  5. Step 5: Solve for x
    x = 8,779,523,185.87/107,128.28
  6. Step 6: Final answer
    x = 81,953.37

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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.