Home / 126,915.30-190,373.37-32,145.45

Finding the Fourth Proportional to 126,915.30, 190,373.37 and 32,145.45

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Solution

The fourth proportional to 126,915.30, 190,373.37 and 32,145.45 is: 48,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,915.30 : 190,373.37 = 32,145.45 : x
  2. Step 2: Convert to fraction form
    126,915.30/190,373.37 = 32,145.45/x
  3. Step 3: Cross multiply
    126,915.30x = 190,373.37 × 32,145.45
  4. Step 4: Simplify right side
    126,915.30x = 6,119,637,646.67
  5. Step 5: Solve for x
    x = 6,119,637,646.67/126,915.30
  6. Step 6: Final answer
    x = 48,218.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.