Home / 224,040.64-309,173.68-128,562.36

Finding the Fourth Proportional to 224,040.64, 309,173.68 and 128,562.36

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Solution

The fourth proportional to 224,040.64, 309,173.68 and 128,562.36 is: 177,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,040.64 : 309,173.68 = 128,562.36 : x
  2. Step 2: Convert to fraction form
    224,040.64/309,173.68 = 128,562.36/x
  3. Step 3: Cross multiply
    224,040.64x = 309,173.68 × 128,562.36
  4. Step 4: Simplify right side
    224,040.64x = 39,748,097,950.68
  5. Step 5: Solve for x
    x = 39,748,097,950.68/224,040.64
  6. Step 6: Final answer
    x = 177,414.68

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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.