Home / 126,772.53-190,181.40-42,560.10

Finding the Fourth Proportional to 126,772.53, 190,181.40 and 42,560.10

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Solution

The fourth proportional to 126,772.53, 190,181.40 and 42,560.10 is: 63,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,772.53 : 190,181.40 = 42,560.10 : x
  2. Step 2: Convert to fraction form
    126,772.53/190,181.40 = 42,560.10/x
  3. Step 3: Cross multiply
    126,772.53x = 190,181.40 × 42,560.10
  4. Step 4: Simplify right side
    126,772.53x = 8,094,139,402.14
  5. Step 5: Solve for x
    x = 8,094,139,402.14/126,772.53
  6. Step 6: Final answer
    x = 63,847.74

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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.