Home / 345,960.09-518,901.53-93,265.74

Finding the Fourth Proportional to 345,960.09, 518,901.53 and 93,265.74

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Solution

The fourth proportional to 345,960.09, 518,901.53 and 93,265.74 is: 139,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,960.09 : 518,901.53 = 93,265.74 : x
  2. Step 2: Convert to fraction form
    345,960.09/518,901.53 = 93,265.74/x
  3. Step 3: Cross multiply
    345,960.09x = 518,901.53 × 93,265.74
  4. Step 4: Simplify right side
    345,960.09x = 48,395,734,716.25
  5. Step 5: Solve for x
    x = 48,395,734,716.25/345,960.09
  6. Step 6: Final answer
    x = 139,888.20

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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.