Home / 141,404.04-195,137.70-77,742.92

Finding the Fourth Proportional to 141,404.04, 195,137.70 and 77,742.92

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Solution

The fourth proportional to 141,404.04, 195,137.70 and 77,742.92 is: 107,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,404.04 : 195,137.70 = 77,742.92 : x
  2. Step 2: Convert to fraction form
    141,404.04/195,137.70 = 77,742.92/x
  3. Step 3: Cross multiply
    141,404.04x = 195,137.70 × 77,742.92
  4. Step 4: Simplify right side
    141,404.04x = 15,170,574,600.08
  5. Step 5: Solve for x
    x = 15,170,574,600.08/141,404.04
  6. Step 6: Final answer
    x = 107,285.30

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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.