Home / 141,917.64-195,838.50-78,244.52

Finding the Fourth Proportional to 141,917.64, 195,838.50 and 78,244.52

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Solution

The fourth proportional to 141,917.64, 195,838.50 and 78,244.52 is: 107,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,917.64 : 195,838.50 = 78,244.52 : x
  2. Step 2: Convert to fraction form
    141,917.64/195,838.50 = 78,244.52/x
  3. Step 3: Cross multiply
    141,917.64x = 195,838.50 × 78,244.52
  4. Step 4: Simplify right side
    141,917.64x = 15,323,289,430.02
  5. Step 5: Solve for x
    x = 15,323,289,430.02/141,917.64
  6. Step 6: Final answer
    x = 107,973.11

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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.