Home / 77,401.16-116,101.86-21,242.03

Finding the Fourth Proportional to 77,401.16, 116,101.86 and 21,242.03

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Solution

The fourth proportional to 77,401.16, 116,101.86 and 21,242.03 is: 31,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,401.16 : 116,101.86 = 21,242.03 : x
  2. Step 2: Convert to fraction form
    77,401.16/116,101.86 = 21,242.03/x
  3. Step 3: Cross multiply
    77,401.16x = 116,101.86 × 21,242.03
  4. Step 4: Simplify right side
    77,401.16x = 2,466,239,193.18
  5. Step 5: Solve for x
    x = 2,466,239,193.18/77,401.16
  6. Step 6: Final answer
    x = 31,863.08

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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.