Home / 136,000.03-187,676.30-75,569.12

Finding the Fourth Proportional to 136,000.03, 187,676.30 and 75,569.12

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Solution

The fourth proportional to 136,000.03, 187,676.30 and 75,569.12 is: 104,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,000.03 : 187,676.30 = 75,569.12 : x
  2. Step 2: Convert to fraction form
    136,000.03/187,676.30 = 75,569.12/x
  3. Step 3: Cross multiply
    136,000.03x = 187,676.30 × 75,569.12
  4. Step 4: Simplify right side
    136,000.03x = 14,182,531,897.47
  5. Step 5: Solve for x
    x = 14,182,531,897.47/136,000.03
  6. Step 6: Final answer
    x = 104,283.30

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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.