Home / 165,031.04-247,551.36-40,372

Finding the Fourth Proportional to 165,031.04, 247,551.36 and 40,372

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Solution

The fourth proportional to 165,031.04, 247,551.36 and 40,372 is: 60,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,031.04 : 247,551.36 = 40,372 : x
  2. Step 2: Convert to fraction form
    165,031.04/247,551.36 = 40,372/x
  3. Step 3: Cross multiply
    165,031.04x = 247,551.36 × 40,372
  4. Step 4: Simplify right side
    165,031.04x = 9,994,143,505.92
  5. Step 5: Solve for x
    x = 9,994,143,505.92/165,031.04
  6. Step 6: Final answer
    x = 60,559.17

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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.