Home / 109,401.60-164,102.40-62,659.20

Finding the Fourth Proportional to 109,401.60, 164,102.40 and 62,659.20

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Solution

The fourth proportional to 109,401.60, 164,102.40 and 62,659.20 is: 93,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,401.60 : 164,102.40 = 62,659.20 : x
  2. Step 2: Convert to fraction form
    109,401.60/164,102.40 = 62,659.20/x
  3. Step 3: Cross multiply
    109,401.60x = 164,102.40 × 62,659.20
  4. Step 4: Simplify right side
    109,401.60x = 10,282,525,102.08
  5. Step 5: Solve for x
    x = 10,282,525,102.08/109,401.60
  6. Step 6: Final answer
    x = 93,988.80

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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.