Home / 103,928.10-155,892.51-29,047.77

Finding the Fourth Proportional to 103,928.10, 155,892.51 and 29,047.77

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Solution

The fourth proportional to 103,928.10, 155,892.51 and 29,047.77 is: 43,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,928.10 : 155,892.51 = 29,047.77 : x
  2. Step 2: Convert to fraction form
    103,928.10/155,892.51 = 29,047.77/x
  3. Step 3: Cross multiply
    103,928.10x = 155,892.51 × 29,047.77
  4. Step 4: Simplify right side
    103,928.10x = 4,528,329,775.20
  5. Step 5: Solve for x
    x = 4,528,329,775.20/103,928.10
  6. Step 6: Final answer
    x = 43,571.76

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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.