Home / 124,037.28-171,171.03-75,639.24

Finding the Fourth Proportional to 124,037.28, 171,171.03 and 75,639.24

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Solution

The fourth proportional to 124,037.28, 171,171.03 and 75,639.24 is: 104,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,037.28 : 171,171.03 = 75,639.24 : x
  2. Step 2: Convert to fraction form
    124,037.28/171,171.03 = 75,639.24/x
  3. Step 3: Cross multiply
    124,037.28x = 171,171.03 × 75,639.24
  4. Step 4: Simplify right side
    124,037.28x = 12,947,246,619.22
  5. Step 5: Solve for x
    x = 12,947,246,619.22/124,037.28
  6. Step 6: Final answer
    x = 104,381.90

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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.