Home / 105,457.48-158,186.82-43,127.98

Finding the Fourth Proportional to 105,457.48, 158,186.82 and 43,127.98

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Solution

The fourth proportional to 105,457.48, 158,186.82 and 43,127.98 is: 64,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,457.48 : 158,186.82 = 43,127.98 : x
  2. Step 2: Convert to fraction form
    105,457.48/158,186.82 = 43,127.98/x
  3. Step 3: Cross multiply
    105,457.48x = 158,186.82 × 43,127.98
  4. Step 4: Simplify right side
    105,457.48x = 6,822,277,775.49
  5. Step 5: Solve for x
    x = 6,822,277,775.49/105,457.48
  6. Step 6: Final answer
    x = 64,692.21

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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.