Home / 136,502.24-188,348.16-76,071.36

Finding the Fourth Proportional to 136,502.24, 188,348.16 and 76,071.36

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Solution

The fourth proportional to 136,502.24, 188,348.16 and 76,071.36 is: 104,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,502.24 : 188,348.16 = 76,071.36 : x
  2. Step 2: Convert to fraction form
    136,502.24/188,348.16 = 76,071.36/x
  3. Step 3: Cross multiply
    136,502.24x = 188,348.16 × 76,071.36
  4. Step 4: Simplify right side
    136,502.24x = 14,327,900,684.70
  5. Step 5: Solve for x
    x = 14,327,900,684.70/136,502.24
  6. Step 6: Final answer
    x = 104,964.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.