Home / 127,376.12-191,091.18-43,132.20

Finding the Fourth Proportional to 127,376.12, 191,091.18 and 43,132.20

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Solution

The fourth proportional to 127,376.12, 191,091.18 and 43,132.20 is: 64,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376.12 : 191,091.18 = 43,132.20 : x
  2. Step 2: Convert to fraction form
    127,376.12/191,091.18 = 43,132.20/x
  3. Step 3: Cross multiply
    127,376.12x = 191,091.18 × 43,132.20
  4. Step 4: Simplify right side
    127,376.12x = 8,242,182,994.00
  5. Step 5: Solve for x
    x = 8,242,182,994.00/127,376.12
  6. Step 6: Final answer
    x = 64,707.44

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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.