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Finding the Fourth Proportional to 101,925.62, 140,657.10 and 56,603.45

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Solution

The fourth proportional to 101,925.62, 140,657.10 and 56,603.45 is: 78,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,925.62 : 140,657.10 = 56,603.45 : x
  2. Step 2: Convert to fraction form
    101,925.62/140,657.10 = 56,603.45/x
  3. Step 3: Cross multiply
    101,925.62x = 140,657.10 × 56,603.45
  4. Step 4: Simplify right side
    101,925.62x = 7,961,676,423.71
  5. Step 5: Solve for x
    x = 7,961,676,423.71/101,925.62
  6. Step 6: Final answer
    x = 78,112.62

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