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Finding the Fourth Proportional to 186,390.72, 257,222.16 and 101,507.76

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Solution

The fourth proportional to 186,390.72, 257,222.16 and 101,507.76 is: 140,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,390.72 : 257,222.16 = 101,507.76 : x
  2. Step 2: Convert to fraction form
    186,390.72/257,222.16 = 101,507.76/x
  3. Step 3: Cross multiply
    186,390.72x = 257,222.16 × 101,507.76
  4. Step 4: Simplify right side
    186,390.72x = 26,110,045,283.96
  5. Step 5: Solve for x
    x = 26,110,045,283.96/186,390.72
  6. Step 6: Final answer
    x = 140,082.32

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