Home / 105,114.44-157,577.90-38,539.03

Finding the Fourth Proportional to 105,114.44, 157,577.90 and 38,539.03

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Solution

The fourth proportional to 105,114.44, 157,577.90 and 38,539.03 is: 57,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,114.44 : 157,577.90 = 38,539.03 : x
  2. Step 2: Convert to fraction form
    105,114.44/157,577.90 = 38,539.03/x
  3. Step 3: Cross multiply
    105,114.44x = 157,577.90 × 38,539.03
  4. Step 4: Simplify right side
    105,114.44x = 6,072,899,415.44
  5. Step 5: Solve for x
    x = 6,072,899,415.44/105,114.44
  6. Step 6: Final answer
    x = 57,774.17

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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.