Home / 141,973.52-195,914.56-78,311.16

Finding the Fourth Proportional to 141,973.52, 195,914.56 and 78,311.16

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Solution

The fourth proportional to 141,973.52, 195,914.56 and 78,311.16 is: 108,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,973.52 : 195,914.56 = 78,311.16 : x
  2. Step 2: Convert to fraction form
    141,973.52/195,914.56 = 78,311.16/x
  3. Step 3: Cross multiply
    141,973.52x = 195,914.56 × 78,311.16
  4. Step 4: Simplify right side
    141,973.52x = 15,342,296,454.49
  5. Step 5: Solve for x
    x = 15,342,296,454.49/141,973.52
  6. Step 6: Final answer
    x = 108,064.49

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1.5x scale

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.