Home / 102,079.42-153,116.67-71,969.29

Finding the Fourth Proportional to 102,079.42, 153,116.67 and 71,969.29

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Solution

The fourth proportional to 102,079.42, 153,116.67 and 71,969.29 is: 107,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,079.42 : 153,116.67 = 71,969.29 : x
  2. Step 2: Convert to fraction form
    102,079.42/153,116.67 = 71,969.29/x
  3. Step 3: Cross multiply
    102,079.42x = 153,116.67 × 71,969.29
  4. Step 4: Simplify right side
    102,079.42x = 11,019,698,027.06
  5. Step 5: Solve for x
    x = 11,019,698,027.06/102,079.42
  6. Step 6: Final answer
    x = 107,952.20

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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.