Home / 138,847.03-191,608.58-75,184.83

Finding the Fourth Proportional to 138,847.03, 191,608.58 and 75,184.83

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Solution

The fourth proportional to 138,847.03, 191,608.58 and 75,184.83 is: 103,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,847.03 : 191,608.58 = 75,184.83 : x
  2. Step 2: Convert to fraction form
    138,847.03/191,608.58 = 75,184.83/x
  3. Step 3: Cross multiply
    138,847.03x = 191,608.58 × 75,184.83
  4. Step 4: Simplify right side
    138,847.03x = 14,406,058,513.84
  5. Step 5: Solve for x
    x = 14,406,058,513.84/138,847.03
  6. Step 6: Final answer
    x = 103,754.89

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1.5x scale

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.