Home / 126,862.02-190,330.40-38,129.06

Finding the Fourth Proportional to 126,862.02, 190,330.40 and 38,129.06

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Solution

The fourth proportional to 126,862.02, 190,330.40 and 38,129.06 is: 57,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,862.02 : 190,330.40 = 38,129.06 : x
  2. Step 2: Convert to fraction form
    126,862.02/190,330.40 = 38,129.06/x
  3. Step 3: Cross multiply
    126,862.02x = 190,330.40 × 38,129.06
  4. Step 4: Simplify right side
    126,862.02x = 7,257,119,241.42
  5. Step 5: Solve for x
    x = 7,257,119,241.42/126,862.02
  6. Step 6: Final answer
    x = 57,204.82

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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.