Home / 103,170.45-154,527.04-79,302.25

Finding the Fourth Proportional to 103,170.45, 154,527.04 and 79,302.25

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Solution

The fourth proportional to 103,170.45, 154,527.04 and 79,302.25 is: 118,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,170.45 : 154,527.04 = 79,302.25 : x
  2. Step 2: Convert to fraction form
    103,170.45/154,527.04 = 79,302.25/x
  3. Step 3: Cross multiply
    103,170.45x = 154,527.04 × 79,302.25
  4. Step 4: Simplify right side
    103,170.45x = 12,254,341,957.84
  5. Step 5: Solve for x
    x = 12,254,341,957.84/103,170.45
  6. Step 6: Final answer
    x = 118,777.63

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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.