Home / 229,152.25-316,232.27-128,552.41

Finding the Fourth Proportional to 229,152.25, 316,232.27 and 128,552.41

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Solution

The fourth proportional to 229,152.25, 316,232.27 and 128,552.41 is: 177,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,152.25 : 316,232.27 = 128,552.41 : x
  2. Step 2: Convert to fraction form
    229,152.25/316,232.27 = 128,552.41/x
  3. Step 3: Cross multiply
    229,152.25x = 316,232.27 × 128,552.41
  4. Step 4: Simplify right side
    229,152.25x = 40,652,420,428.27
  5. Step 5: Solve for x
    x = 40,652,420,428.27/229,152.25
  6. Step 6: Final answer
    x = 177,403.54

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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.