Home / 130,548.08-180,160.80-73,189.82

Finding the Fourth Proportional to 130,548.08, 180,160.80 and 73,189.82

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Solution

The fourth proportional to 130,548.08, 180,160.80 and 73,189.82 is: 101,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,548.08 : 180,160.80 = 73,189.82 : x
  2. Step 2: Convert to fraction form
    130,548.08/180,160.80 = 73,189.82/x
  3. Step 3: Cross multiply
    130,548.08x = 180,160.80 × 73,189.82
  4. Step 4: Simplify right side
    130,548.08x = 13,185,936,523.06
  5. Step 5: Solve for x
    x = 13,185,936,523.06/130,548.08
  6. Step 6: Final answer
    x = 101,004.45

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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.