Home / 141,973.92-195,922.08-78,311.52

Finding the Fourth Proportional to 141,973.92, 195,922.08 and 78,311.52

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Solution

The fourth proportional to 141,973.92, 195,922.08 and 78,311.52 is: 108,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,973.92 : 195,922.08 = 78,311.52 : x
  2. Step 2: Convert to fraction form
    141,973.92/195,922.08 = 78,311.52/x
  3. Step 3: Cross multiply
    141,973.92x = 195,922.08 × 78,311.52
  4. Step 4: Simplify right side
    141,973.92x = 15,342,955,886.36
  5. Step 5: Solve for x
    x = 15,342,955,886.36/141,973.92
  6. Step 6: Final answer
    x = 108,068.83

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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.