Home / 136,456.48-188,306.94-76,026.88

Finding the Fourth Proportional to 136,456.48, 188,306.94 and 76,026.88

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Solution

The fourth proportional to 136,456.48, 188,306.94 and 76,026.88 is: 104,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,456.48 : 188,306.94 = 76,026.88 : x
  2. Step 2: Convert to fraction form
    136,456.48/188,306.94 = 76,026.88/x
  3. Step 3: Cross multiply
    136,456.48x = 188,306.94 × 76,026.88
  4. Step 4: Simplify right side
    136,456.48x = 14,316,389,130.55
  5. Step 5: Solve for x
    x = 14,316,389,130.55/136,456.48
  6. Step 6: Final answer
    x = 104,915.42

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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.