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Finding the Fourth Proportional to 153,368.78, 211,599.69 and 92,920.10

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Solution

The fourth proportional to 153,368.78, 211,599.69 and 92,920.10 is: 128,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,368.78 : 211,599.69 = 92,920.10 : x
  2. Step 2: Convert to fraction form
    153,368.78/211,599.69 = 92,920.10/x
  3. Step 3: Cross multiply
    153,368.78x = 211,599.69 × 92,920.10
  4. Step 4: Simplify right side
    153,368.78x = 19,661,864,354.77
  5. Step 5: Solve for x
    x = 19,661,864,354.77/153,368.78
  6. Step 6: Final answer
    x = 128,199.91

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