Home / 104,670.12-157,047.12-38,114.88

Finding the Fourth Proportional to 104,670.12, 157,047.12 and 38,114.88

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Solution

The fourth proportional to 104,670.12, 157,047.12 and 38,114.88 is: 57,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,670.12 : 157,047.12 = 38,114.88 : x
  2. Step 2: Convert to fraction form
    104,670.12/157,047.12 = 38,114.88/x
  3. Step 3: Cross multiply
    104,670.12x = 157,047.12 × 38,114.88
  4. Step 4: Simplify right side
    104,670.12x = 5,985,832,133.15
  5. Step 5: Solve for x
    x = 5,985,832,133.15/104,670.12
  6. Step 6: Final answer
    x = 57,187.59

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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.