Home / 163,600.37-245,403.67-51,278.12

Finding the Fourth Proportional to 163,600.37, 245,403.67 and 51,278.12

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Solution

The fourth proportional to 163,600.37, 245,403.67 and 51,278.12 is: 76,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,600.37 : 245,403.67 = 51,278.12 : x
  2. Step 2: Convert to fraction form
    163,600.37/245,403.67 = 51,278.12/x
  3. Step 3: Cross multiply
    163,600.37x = 245,403.67 × 51,278.12
  4. Step 4: Simplify right side
    163,600.37x = 12,583,838,838.70
  5. Step 5: Solve for x
    x = 12,583,838,838.70/163,600.37
  6. Step 6: Final answer
    x = 76,918.16

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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.