Home / 109,324.14-163,881.63-42,742.14

Finding the Fourth Proportional to 109,324.14, 163,881.63 and 42,742.14

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Solution

The fourth proportional to 109,324.14, 163,881.63 and 42,742.14 is: 64,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,324.14 : 163,881.63 = 42,742.14 : x
  2. Step 2: Convert to fraction form
    109,324.14/163,881.63 = 42,742.14/x
  3. Step 3: Cross multiply
    109,324.14x = 163,881.63 × 42,742.14
  4. Step 4: Simplify right side
    109,324.14x = 7,004,651,572.89
  5. Step 5: Solve for x
    x = 7,004,651,572.89/109,324.14
  6. Step 6: Final answer
    x = 64,072.32

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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.