Home / 130,739.77-180,424.46-73,382.66

Finding the Fourth Proportional to 130,739.77, 180,424.46 and 73,382.66

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Solution

The fourth proportional to 130,739.77, 180,424.46 and 73,382.66 is: 101,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,739.77 : 180,424.46 = 73,382.66 : x
  2. Step 2: Convert to fraction form
    130,739.77/180,424.46 = 73,382.66/x
  3. Step 3: Cross multiply
    130,739.77x = 180,424.46 × 73,382.66
  4. Step 4: Simplify right side
    130,739.77x = 13,240,026,761.79
  5. Step 5: Solve for x
    x = 13,240,026,761.79/130,739.77
  6. Step 6: Final answer
    x = 101,270.08

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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.