Home / 141,457.26-195,206.55-77,794.86

Finding the Fourth Proportional to 141,457.26, 195,206.55 and 77,794.86

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Solution

The fourth proportional to 141,457.26, 195,206.55 and 77,794.86 is: 107,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,457.26 : 195,206.55 = 77,794.86 : x
  2. Step 2: Convert to fraction form
    141,457.26/195,206.55 = 77,794.86/x
  3. Step 3: Cross multiply
    141,457.26x = 195,206.55 × 77,794.86
  4. Step 4: Simplify right side
    141,457.26x = 15,186,066,228.33
  5. Step 5: Solve for x
    x = 15,186,066,228.33/141,457.26
  6. Step 6: Final answer
    x = 107,354.45

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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.