Home / 103,087.84-142,247.94-60,630.88

Finding the Fourth Proportional to 103,087.84, 142,247.94 and 60,630.88

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Solution

The fourth proportional to 103,087.84, 142,247.94 and 60,630.88 is: 83,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,087.84 : 142,247.94 = 60,630.88 : x
  2. Step 2: Convert to fraction form
    103,087.84/142,247.94 = 60,630.88/x
  3. Step 3: Cross multiply
    103,087.84x = 142,247.94 × 60,630.88
  4. Step 4: Simplify right side
    103,087.84x = 8,624,617,780.39
  5. Step 5: Solve for x
    x = 8,624,617,780.39/103,087.84
  6. Step 6: Final answer
    x = 83,662.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.