Home / 141,242.55-194,915.88-77,581.77

Finding the Fourth Proportional to 141,242.55, 194,915.88 and 77,581.77

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Solution

The fourth proportional to 141,242.55, 194,915.88 and 77,581.77 is: 107,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,242.55 : 194,915.88 = 77,581.77 : x
  2. Step 2: Convert to fraction form
    141,242.55/194,915.88 = 77,581.77/x
  3. Step 3: Cross multiply
    141,242.55x = 194,915.88 × 77,581.77
  4. Step 4: Simplify right side
    141,242.55x = 15,121,918,971.51
  5. Step 5: Solve for x
    x = 15,121,918,971.51/141,242.55
  6. Step 6: Final answer
    x = 107,063.48

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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.