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Finding the Fourth Proportional to 141,158.40, 211,543.20 and 93,638.40

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Solution

The fourth proportional to 141,158.40, 211,543.20 and 93,638.40 is: 140,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,158.40 : 211,543.20 = 93,638.40 : x
  2. Step 2: Convert to fraction form
    141,158.40/211,543.20 = 93,638.40/x
  3. Step 3: Cross multiply
    141,158.40x = 211,543.20 × 93,638.40
  4. Step 4: Simplify right side
    141,158.40x = 19,808,566,778.88
  5. Step 5: Solve for x
    x = 19,808,566,778.88/141,158.40
  6. Step 6: Final answer
    x = 140,328.64

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