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Finding the Fourth Proportional to 184,812.84, 255,041.90 and 99,929.88

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Solution

The fourth proportional to 184,812.84, 255,041.90 and 99,929.88 is: 137,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,812.84 : 255,041.90 = 99,929.88 : x
  2. Step 2: Convert to fraction form
    184,812.84/255,041.90 = 99,929.88/x
  3. Step 3: Cross multiply
    184,812.84x = 255,041.90 × 99,929.88
  4. Step 4: Simplify right side
    184,812.84x = 25,486,306,461.97
  5. Step 5: Solve for x
    x = 25,486,306,461.97/184,812.84
  6. Step 6: Final answer
    x = 137,903.33

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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.