Home / 137,829.64-190,105.50-126,535

Finding the Fourth Proportional to 137,829.64, 190,105.50 and 126,535

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Solution

The fourth proportional to 137,829.64, 190,105.50 and 126,535 is: 174,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,829.64 : 190,105.50 = 126,535 : x
  2. Step 2: Convert to fraction form
    137,829.64/190,105.50 = 126,535/x
  3. Step 3: Cross multiply
    137,829.64x = 190,105.50 × 126,535
  4. Step 4: Simplify right side
    137,829.64x = 24,054,999,442.50
  5. Step 5: Solve for x
    x = 24,054,999,442.50/137,829.64
  6. Step 6: Final answer
    x = 174,527.04

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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.