Home / 126,915.02-175,096.40-75,929.22

Finding the Fourth Proportional to 126,915.02, 175,096.40 and 75,929.22

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Solution

The fourth proportional to 126,915.02, 175,096.40 and 75,929.22 is: 104,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,915.02 : 175,096.40 = 75,929.22 : x
  2. Step 2: Convert to fraction form
    126,915.02/175,096.40 = 75,929.22/x
  3. Step 3: Cross multiply
    126,915.02x = 175,096.40 × 75,929.22
  4. Step 4: Simplify right side
    126,915.02x = 13,294,933,076.81
  5. Step 5: Solve for x
    x = 13,294,933,076.81/126,915.02
  6. Step 6: Final answer
    x = 104,754.61

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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.