Home / 130,533.77-180,140.27-73,945.14

Finding the Fourth Proportional to 130,533.77, 180,140.27 and 73,945.14

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Solution

The fourth proportional to 130,533.77, 180,140.27 and 73,945.14 is: 102,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,533.77 : 180,140.27 = 73,945.14 : x
  2. Step 2: Convert to fraction form
    130,533.77/180,140.27 = 73,945.14/x
  3. Step 3: Cross multiply
    130,533.77x = 180,140.27 × 73,945.14
  4. Step 4: Simplify right side
    130,533.77x = 13,320,497,115.06
  5. Step 5: Solve for x
    x = 13,320,497,115.06/130,533.77
  6. Step 6: Final answer
    x = 102,046.37

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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.