Home / 103,738.60-155,607.90-94,553.20

Finding the Fourth Proportional to 103,738.60, 155,607.90 and 94,553.20

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Solution

The fourth proportional to 103,738.60, 155,607.90 and 94,553.20 is: 141,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,738.60 : 155,607.90 = 94,553.20 : x
  2. Step 2: Convert to fraction form
    103,738.60/155,607.90 = 94,553.20/x
  3. Step 3: Cross multiply
    103,738.60x = 155,607.90 × 94,553.20
  4. Step 4: Simplify right side
    103,738.60x = 14,713,224,890.28
  5. Step 5: Solve for x
    x = 14,713,224,890.28/103,738.60
  6. Step 6: Final answer
    x = 141,829.80

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1.5x scale

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.