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Finding the Fourth Proportional to 156,597.84, 234,579.60 and 125,061.84

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Solution

The fourth proportional to 156,597.84, 234,579.60 and 125,061.84 is: 187,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,597.84 : 234,579.60 = 125,061.84 : x
  2. Step 2: Convert to fraction form
    156,597.84/234,579.60 = 125,061.84/x
  3. Step 3: Cross multiply
    156,597.84x = 234,579.60 × 125,061.84
  4. Step 4: Simplify right side
    156,597.84x = 29,336,956,402.46
  5. Step 5: Solve for x
    x = 29,336,956,402.46/156,597.84
  6. Step 6: Final answer
    x = 187,339.47

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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.