Home / 136,445.82-188,290.49-76,013.34

Finding the Fourth Proportional to 136,445.82, 188,290.49 and 76,013.34

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Solution

The fourth proportional to 136,445.82, 188,290.49 and 76,013.34 is: 104,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,445.82 : 188,290.49 = 76,013.34 : x
  2. Step 2: Convert to fraction form
    136,445.82/188,290.49 = 76,013.34/x
  3. Step 3: Cross multiply
    136,445.82x = 188,290.49 × 76,013.34
  4. Step 4: Simplify right side
    136,445.82x = 14,312,588,655.07
  5. Step 5: Solve for x
    x = 14,312,588,655.07/136,445.82
  6. Step 6: Final answer
    x = 104,895.76

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1.5x scale

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.