Home / 141,346.50-195,046.74-80,903.40

Finding the Fourth Proportional to 141,346.50, 195,046.74 and 80,903.40

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Solution

The fourth proportional to 141,346.50, 195,046.74 and 80,903.40 is: 111,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,346.50 : 195,046.74 = 80,903.40 : x
  2. Step 2: Convert to fraction form
    141,346.50/195,046.74 = 80,903.40/x
  3. Step 3: Cross multiply
    141,346.50x = 195,046.74 × 80,903.40
  4. Step 4: Simplify right side
    141,346.50x = 15,779,944,424.92
  5. Step 5: Solve for x
    x = 15,779,944,424.92/141,346.50
  6. Step 6: Final answer
    x = 111,640.15

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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.