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Finding the Fourth Proportional to 141,031.80, 211,547.70 and 85,044.60

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Solution

The fourth proportional to 141,031.80, 211,547.70 and 85,044.60 is: 127,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,031.80 : 211,547.70 = 85,044.60 : x
  2. Step 2: Convert to fraction form
    141,031.80/211,547.70 = 85,044.60/x
  3. Step 3: Cross multiply
    141,031.80x = 211,547.70 × 85,044.60
  4. Step 4: Simplify right side
    141,031.80x = 17,990,989,527.42
  5. Step 5: Solve for x
    x = 17,990,989,527.42/141,031.80
  6. Step 6: Final answer
    x = 127,566.90

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