Home / 224,029.64-309,158.50-128,551.36

Finding the Fourth Proportional to 224,029.64, 309,158.50 and 128,551.36

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Solution

The fourth proportional to 224,029.64, 309,158.50 and 128,551.36 is: 177,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,029.64 : 309,158.50 = 128,551.36 : x
  2. Step 2: Convert to fraction form
    224,029.64/309,158.50 = 128,551.36/x
  3. Step 3: Cross multiply
    224,029.64x = 309,158.50 × 128,551.36
  4. Step 4: Simplify right side
    224,029.64x = 39,742,745,630.56
  5. Step 5: Solve for x
    x = 39,742,745,630.56/224,029.64
  6. Step 6: Final answer
    x = 177,399.50

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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.