Home / 163,747.17-245,620.74-45,418.51

Finding the Fourth Proportional to 163,747.17, 245,620.74 and 45,418.51

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Solution

The fourth proportional to 163,747.17, 245,620.74 and 45,418.51 is: 68,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,747.17 : 245,620.74 = 45,418.51 : x
  2. Step 2: Convert to fraction form
    163,747.17/245,620.74 = 45,418.51/x
  3. Step 3: Cross multiply
    163,747.17x = 245,620.74 × 45,418.51
  4. Step 4: Simplify right side
    163,747.17x = 11,155,728,803.46
  5. Step 5: Solve for x
    x = 11,155,728,803.46/163,747.17
  6. Step 6: Final answer
    x = 68,127.76

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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.