Home / 130,425.28-179,985.44-73,836.16

Finding the Fourth Proportional to 130,425.28, 179,985.44 and 73,836.16

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Solution

The fourth proportional to 130,425.28, 179,985.44 and 73,836.16 is: 101,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,425.28 : 179,985.44 = 73,836.16 : x
  2. Step 2: Convert to fraction form
    130,425.28/179,985.44 = 73,836.16/x
  3. Step 3: Cross multiply
    130,425.28x = 179,985.44 × 73,836.16
  4. Step 4: Simplify right side
    130,425.28x = 13,289,433,745.51
  5. Step 5: Solve for x
    x = 13,289,433,745.51/130,425.28
  6. Step 6: Final answer
    x = 101,893.08

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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.