Home / 130,530.24-180,140.64-73,942.08

Finding the Fourth Proportional to 130,530.24, 180,140.64 and 73,942.08

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Solution

The fourth proportional to 130,530.24, 180,140.64 and 73,942.08 is: 102,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,530.24 : 180,140.64 = 73,942.08 : x
  2. Step 2: Convert to fraction form
    130,530.24/180,140.64 = 73,942.08/x
  3. Step 3: Cross multiply
    130,530.24x = 180,140.64 × 73,942.08
  4. Step 4: Simplify right side
    130,530.24x = 13,319,973,614.13
  5. Step 5: Solve for x
    x = 13,319,973,614.13/130,530.24
  6. Step 6: Final answer
    x = 102,045.12

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