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Finding the Fourth Proportional to 152,257.80, 228,386.70 and 47,087.40

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Solution

The fourth proportional to 152,257.80, 228,386.70 and 47,087.40 is: 70,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,257.80 : 228,386.70 = 47,087.40 : x
  2. Step 2: Convert to fraction form
    152,257.80/228,386.70 = 47,087.40/x
  3. Step 3: Cross multiply
    152,257.80x = 228,386.70 × 47,087.40
  4. Step 4: Simplify right side
    152,257.80x = 10,754,135,897.58
  5. Step 5: Solve for x
    x = 10,754,135,897.58/152,257.80
  6. Step 6: Final answer
    x = 70,631.10

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