Home / 129,970.41-194,962.55-41,231.01

Finding the Fourth Proportional to 129,970.41, 194,962.55 and 41,231.01

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Solution

The fourth proportional to 129,970.41, 194,962.55 and 41,231.01 is: 61,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,970.41 : 194,962.55 = 41,231.01 : x
  2. Step 2: Convert to fraction form
    129,970.41/194,962.55 = 41,231.01/x
  3. Step 3: Cross multiply
    129,970.41x = 194,962.55 × 41,231.01
  4. Step 4: Simplify right side
    129,970.41x = 8,038,502,642.52
  5. Step 5: Solve for x
    x = 8,038,502,642.52/129,970.41
  6. Step 6: Final answer
    x = 61,848.71

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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.