Home / 145,401.99-218,103.06-45,569.96

Finding the Fourth Proportional to 145,401.99, 218,103.06 and 45,569.96

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Solution

The fourth proportional to 145,401.99, 218,103.06 and 45,569.96 is: 68,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,401.99 : 218,103.06 = 45,569.96 : x
  2. Step 2: Convert to fraction form
    145,401.99/218,103.06 = 45,569.96/x
  3. Step 3: Cross multiply
    145,401.99x = 218,103.06 × 45,569.96
  4. Step 4: Simplify right side
    145,401.99x = 9,938,947,490.17
  5. Step 5: Solve for x
    x = 9,938,947,490.17/145,401.99
  6. Step 6: Final answer
    x = 68,354.96

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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.