Home / 163,747.42-245,621.12-45,418.76

Finding the Fourth Proportional to 163,747.42, 245,621.12 and 45,418.76

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Solution

The fourth proportional to 163,747.42, 245,621.12 and 45,418.76 is: 68,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,747.42 : 245,621.12 = 45,418.76 : x
  2. Step 2: Convert to fraction form
    163,747.42/245,621.12 = 45,418.76/x
  3. Step 3: Cross multiply
    163,747.42x = 245,621.12 × 45,418.76
  4. Step 4: Simplify right side
    163,747.42x = 11,155,806,700.21
  5. Step 5: Solve for x
    x = 11,155,806,700.21/163,747.42
  6. Step 6: Final answer
    x = 68,128.14

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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.