Home / 133,240.44-199,944-83,417.80

Finding the Fourth Proportional to 133,240.44, 199,944 and 83,417.80

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Solution

The fourth proportional to 133,240.44, 199,944 and 83,417.80 is: 125,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,240.44 : 199,944 = 83,417.80 : x
  2. Step 2: Convert to fraction form
    133,240.44/199,944 = 83,417.80/x
  3. Step 3: Cross multiply
    133,240.44x = 199,944 × 83,417.80
  4. Step 4: Simplify right side
    133,240.44x = 16,678,888,603.20
  5. Step 5: Solve for x
    x = 16,678,888,603.20/133,240.44
  6. Step 6: Final answer
    x = 125,178.88

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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.