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Finding the Fourth Proportional to 59,135, 88,698.44 and 14,760.78

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Solution

The fourth proportional to 59,135, 88,698.44 and 14,760.78 is: 22,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,135 : 88,698.44 = 14,760.78 : x
  2. Step 2: Convert to fraction form
    59,135/88,698.44 = 14,760.78/x
  3. Step 3: Cross multiply
    59,135x = 88,698.44 × 14,760.78
  4. Step 4: Simplify right side
    59,135x = 1,309,258,159.18
  5. Step 5: Solve for x
    x = 1,309,258,159.18/59,135
  6. Step 6: Final answer
    x = 22,140.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.