Home / 141,457.69-195,207.71-77,795.54

Finding the Fourth Proportional to 141,457.69, 195,207.71 and 77,795.54

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Solution

The fourth proportional to 141,457.69, 195,207.71 and 77,795.54 is: 107,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,457.69 : 195,207.71 = 77,795.54 : x
  2. Step 2: Convert to fraction form
    141,457.69/195,207.71 = 77,795.54/x
  3. Step 3: Cross multiply
    141,457.69x = 195,207.71 × 77,795.54
  4. Step 4: Simplify right side
    141,457.69x = 15,186,287,846.60
  5. Step 5: Solve for x
    x = 15,186,287,846.60/141,457.69
  6. Step 6: Final answer
    x = 107,355.69

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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.