Home / 129,897.06-194,848.54-103,261.45

Finding the Fourth Proportional to 129,897.06, 194,848.54 and 103,261.45

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Solution

The fourth proportional to 129,897.06, 194,848.54 and 103,261.45 is: 154,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,897.06 : 194,848.54 = 103,261.45 : x
  2. Step 2: Convert to fraction form
    129,897.06/194,848.54 = 103,261.45/x
  3. Step 3: Cross multiply
    129,897.06x = 194,848.54 × 103,261.45
  4. Step 4: Simplify right side
    129,897.06x = 20,120,342,938.86
  5. Step 5: Solve for x
    x = 20,120,342,938.86/129,897.06
  6. Step 6: Final answer
    x = 154,894.52

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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.