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Finding the Fourth Proportional to 104,376, 144,038.88 and 59,664.96

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Solution

The fourth proportional to 104,376, 144,038.88 and 59,664.96 is: 82,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,376 : 144,038.88 = 59,664.96 : x
  2. Step 2: Convert to fraction form
    104,376/144,038.88 = 59,664.96/x
  3. Step 3: Cross multiply
    104,376x = 144,038.88 × 59,664.96
  4. Step 4: Simplify right side
    104,376x = 8,594,074,013.64
  5. Step 5: Solve for x
    x = 8,594,074,013.64/104,376
  6. Step 6: Final answer
    x = 82,337.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.