Home / 102,744.16-154,139.88-43,582.12

Finding the Fourth Proportional to 102,744.16, 154,139.88 and 43,582.12

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Solution

The fourth proportional to 102,744.16, 154,139.88 and 43,582.12 is: 65,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,744.16 : 154,139.88 = 43,582.12 : x
  2. Step 2: Convert to fraction form
    102,744.16/154,139.88 = 43,582.12/x
  3. Step 3: Cross multiply
    102,744.16x = 154,139.88 × 43,582.12
  4. Step 4: Simplify right side
    102,744.16x = 6,717,742,746.95
  5. Step 5: Solve for x
    x = 6,717,742,746.95/102,744.16
  6. Step 6: Final answer
    x = 65,383.21

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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.