Home / 163,572.45-245,339.69-45,253.01

Finding the Fourth Proportional to 163,572.45, 245,339.69 and 45,253.01

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Solution

The fourth proportional to 163,572.45, 245,339.69 and 45,253.01 is: 67,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,572.45 : 245,339.69 = 45,253.01 : x
  2. Step 2: Convert to fraction form
    163,572.45/245,339.69 = 45,253.01/x
  3. Step 3: Cross multiply
    163,572.45x = 245,339.69 × 45,253.01
  4. Step 4: Simplify right side
    163,572.45x = 11,102,359,832.05
  5. Step 5: Solve for x
    x = 11,102,359,832.05/163,572.45
  6. Step 6: Final answer
    x = 67,874.27

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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.