Home / 345,913.08-518,885.10-106,009.62

Finding the Fourth Proportional to 345,913.08, 518,885.10 and 106,009.62

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Solution

The fourth proportional to 345,913.08, 518,885.10 and 106,009.62 is: 159,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,913.08 : 518,885.10 = 106,009.62 : x
  2. Step 2: Convert to fraction form
    345,913.08/518,885.10 = 106,009.62/x
  3. Step 3: Cross multiply
    345,913.08x = 518,885.10 × 106,009.62
  4. Step 4: Simplify right side
    345,913.08x = 55,006,812,274.66
  5. Step 5: Solve for x
    x = 55,006,812,274.66/345,913.08
  6. Step 6: Final answer
    x = 159,019.17

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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.