Home / 141,411.48-195,147.36-77,749.08

Finding the Fourth Proportional to 141,411.48, 195,147.36 and 77,749.08

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Solution

The fourth proportional to 141,411.48, 195,147.36 and 77,749.08 is: 107,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,411.48 : 195,147.36 = 77,749.08 : x
  2. Step 2: Convert to fraction form
    141,411.48/195,147.36 = 77,749.08/x
  3. Step 3: Cross multiply
    141,411.48x = 195,147.36 × 77,749.08
  4. Step 4: Simplify right side
    141,411.48x = 15,172,527,704.43
  5. Step 5: Solve for x
    x = 15,172,527,704.43/141,411.48
  6. Step 6: Final answer
    x = 107,293.47

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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.