Home / 260,130.40-389,927.22-126,845.98

Finding the Fourth Proportional to 260,130.40, 389,927.22 and 126,845.98

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Solution

The fourth proportional to 260,130.40, 389,927.22 and 126,845.98 is: 190,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,130.40 : 389,927.22 = 126,845.98 : x
  2. Step 2: Convert to fraction form
    260,130.40/389,927.22 = 126,845.98/x
  3. Step 3: Cross multiply
    260,130.40x = 389,927.22 × 126,845.98
  4. Step 4: Simplify right side
    260,130.40x = 49,460,700,349.58
  5. Step 5: Solve for x
    x = 49,460,700,349.58/260,130.40
  6. Step 6: Final answer
    x = 190,138.10

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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.