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Finding the Fourth Proportional to 162,689.72, 224,395.84 and 99,031.60

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Solution

The fourth proportional to 162,689.72, 224,395.84 and 99,031.60 is: 136,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,689.72 : 224,395.84 = 99,031.60 : x
  2. Step 2: Convert to fraction form
    162,689.72/224,395.84 = 99,031.60/x
  3. Step 3: Cross multiply
    162,689.72x = 224,395.84 × 99,031.60
  4. Step 4: Simplify right side
    162,689.72x = 22,222,279,068.54
  5. Step 5: Solve for x
    x = 22,222,279,068.54/162,689.72
  6. Step 6: Final answer
    x = 136,593.01

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