Home / 138,852.09-208,271.22-48,899.25

Finding the Fourth Proportional to 138,852.09, 208,271.22 and 48,899.25

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Solution

The fourth proportional to 138,852.09, 208,271.22 and 48,899.25 is: 73,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,852.09 : 208,271.22 = 48,899.25 : x
  2. Step 2: Convert to fraction form
    138,852.09/208,271.22 = 48,899.25/x
  3. Step 3: Cross multiply
    138,852.09x = 208,271.22 × 48,899.25
  4. Step 4: Simplify right side
    138,852.09x = 10,184,306,454.59
  5. Step 5: Solve for x
    x = 10,184,306,454.59/138,852.09
  6. Step 6: Final answer
    x = 73,346.44

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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.