Home / 141,748.92-195,606.24-78,085.32

Finding the Fourth Proportional to 141,748.92, 195,606.24 and 78,085.32

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Solution

The fourth proportional to 141,748.92, 195,606.24 and 78,085.32 is: 107,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,748.92 : 195,606.24 = 78,085.32 : x
  2. Step 2: Convert to fraction form
    141,748.92/195,606.24 = 78,085.32/x
  3. Step 3: Cross multiply
    141,748.92x = 195,606.24 × 78,085.32
  4. Step 4: Simplify right side
    141,748.92x = 15,273,975,844.40
  5. Step 5: Solve for x
    x = 15,273,975,844.40/141,748.92
  6. Step 6: Final answer
    x = 107,753.74

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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.